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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.
| 49001. |
According to anti Markovnikov, CH_(3)CH=CH_(2) is react with HBr in presence of ……… |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<a href="https://interviewquestions.tuteehub.com/tag/peroxide-1151683" style="font-weight:bold;" target="_blank" title="Click to know more about PEROXIDE">PEROXIDE</a></body></html> | |
| 49002. |
According to Arrhenius acid-base theory, the strength of acid and base depends on |
| Answer» <html><body><p>magnitude of accepting electron.<br/>magnitude of accepting proton.<br/>magnitude of donating proton.<br/><a href="https://interviewquestions.tuteehub.com/tag/ionization-519228" style="font-weight:bold;" target="_blank" title="Click to know more about IONIZATION">IONIZATION</a> in aqueous solution.</p>Solution :According to Arrhenius, the substance which <a href="https://interviewquestions.tuteehub.com/tag/give-468520" style="font-weight:bold;" target="_blank" title="Click to know more about GIVE">GIVE</a> `H^+` on ionization in water is called <a href="https://interviewquestions.tuteehub.com/tag/acid-847491" style="font-weight:bold;" target="_blank" title="Click to know more about ACID">ACID</a> and the substance which give `OH^-` on ionization in water is called base. <br/> So, As more ionization <a href="https://interviewquestions.tuteehub.com/tag/take-662846" style="font-weight:bold;" target="_blank" title="Click to know more about TAKE">TAKE</a> place in aqueous solution and more `H^+` or `OH^-` form then it is strong acid/base.</body></html> | |
| 49003. |
According to Andrews isothermals, CO_(2) gas behaves ideally "______________". |
| Answer» <html><body><p>at and above `48.1^(@)<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>`<br/>below `<a href="https://interviewquestions.tuteehub.com/tag/25-296426" style="font-weight:bold;" target="_blank" title="Click to know more about 25">25</a>^(@)C`<br/>at `30.98^(@)C`<br/>below13.1 `""^(@)C`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :A</body></html> | |
| 49004. |
Accetic acid and aq. NH_3are weak monobasic acid and weak monoacidic base respectivelyand K_a of aceticacid is equal to K_bof aq. NH_3 .Which of the following statement are correct? |
| Answer» <html><body><p>All proportions of the above mixing would result in an neutral solution having `pH =7 at <a href="https://interviewquestions.tuteehub.com/tag/25-296426" style="font-weight:bold;" target="_blank" title="Click to know more about 25">25</a>^(@) C ` <br/>If aq. `NH_3` is exactlyhalf <a href="https://interviewquestions.tuteehub.com/tag/neutralized-7701079" style="font-weight:bold;" target="_blank" title="Click to know more about NEUTRALIZED">NEUTRALIZED</a> by HCl, then pOH of resulting solution is equal to `pK_a` <br/>If <a href="https://interviewquestions.tuteehub.com/tag/acetic-1967065" style="font-weight:bold;" target="_blank" title="Click to know more about ACETIC">ACETIC</a> acid is exactlyhalf neutralized by NaOH, then pH of resulting solutions is equal to `pK_a` <br/>If acetic acid is exactlyneutralized by aq. `NH_3` then pH of resuling solution is equal `1//<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>` pkw</p>Solution :on completeneutralization `CH_3 COONH_4 ` isformedand pH ` =((7 +pKa - pKb)/( 2))= 7 (pKu)/(2)` <br/>(b)At <a href="https://interviewquestions.tuteehub.com/tag/half-1014510" style="font-weight:bold;" target="_blank" title="Click to know more about HALF">HALF</a> neutralisation , buffer <br/> ` pOH=pKb + log ""(S)/(B)= pKb`<br/> ( c )At half neutralisationbuffer <br/>` pH =pKa+ log ""(S)/(A)= pKa`</body></html> | |
| 49005. |
Boric acid B(OH)_(3)is weak monobasic acid reacts with alkali to form borates. The most common borate of boric acid is borax represented as Na_(2)(B_(4)O_5(OH)_4.8H_2Owhich is made up of two tetrahedral and two triangular units. On dissolution in water, these tetrahedral and triangular units are seperated. Borax is useful primary standard for titra tion against acids The number of B - O - B linkage in borax is/are |
| Answer» <html><body><p>All proportions of the above mixing would result in an neutral solution having `<a href="https://interviewquestions.tuteehub.com/tag/ph-1145128" style="font-weight:bold;" target="_blank" title="Click to know more about PH">PH</a> =7 at 25^(@) C ` <br/>If aq. `NH_3` is exactlyhalf neutralized by HCl, then <a href="https://interviewquestions.tuteehub.com/tag/poh-1145204" style="font-weight:bold;" target="_blank" title="Click to know more about POH">POH</a> of resulting solution is equal to `pK_a` <br/>If acetic acid is exactlyhalf neutralized by NaOH, then pH of resulting solutions is equal to `pK_a` <br/>If acetic acid is exactlyneutralized by aq. `NH_3` then pH of resuling solution is equal `1//2` pkw</p>Solution :on <a href="https://interviewquestions.tuteehub.com/tag/completeneutralization-2532979" style="font-weight:bold;" target="_blank" title="Click to know more about COMPLETENEUTRALIZATION">COMPLETENEUTRALIZATION</a> `CH_3 COONH_4 ` isformedand pH ` =((7 +pKa - pKb)/( 2))= 7 (pKu)/(2)` <br/>(<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>)At half neutralisation , buffer <br/> ` pOH=pKb + log ""(S)/(B)= pKb`<br/> ( c )At half neutralisationbuffer <br/>` pH =pKa+ log ""(S)/(A)= pKa`</body></html> | |
| 49006. |
Absorption of hydrogen by palladium is known as |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/reduction-621019" style="font-weight:bold;" target="_blank" title="Click to know more about REDUCTION">REDUCTION</a> <br/><a href="https://interviewquestions.tuteehub.com/tag/hydrogenation-493186" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGENATION">HYDROGENATION</a> <br/><a href="https://interviewquestions.tuteehub.com/tag/occlusion-1127770" style="font-weight:bold;" target="_blank" title="Click to know more about OCCLUSION">OCCLUSION</a> <br/>Dehydrogenation</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html> | |
| 49007. |
Absolute zero is a temperature that an object can get arbitrarily lose to but ………… will remain unattainable. |
| Answer» <html><body><p>absolute zero <br/><a href="https://interviewquestions.tuteehub.com/tag/temperature-11887" style="font-weight:bold;" target="_blank" title="Click to know more about TEMPERATURE">TEMPERATURE</a> <br/><a href="https://interviewquestions.tuteehub.com/tag/pressure-1164240" style="font-weight:bold;" target="_blank" title="Click to know more about PRESSURE">PRESSURE</a> <br/><a href="https://interviewquestions.tuteehub.com/tag/volume-728707" style="font-weight:bold;" target="_blank" title="Click to know more about VOLUME">VOLUME</a> </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :A</body></html> | |
| 49008. |
Absolute zero is, |
| Answer» <html><body><p>`-<a href="https://interviewquestions.tuteehub.com/tag/273-1832932" style="font-weight:bold;" target="_blank" title="Click to know more about 273">273</a>^(@)<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>`<br/>0K<br/>temperatue at which no <a href="https://interviewquestions.tuteehub.com/tag/substance-1231528" style="font-weight:bold;" target="_blank" title="Click to know more about SUBSTANCE">SUBSTANCE</a> <a href="https://interviewquestions.tuteehub.com/tag/exists-979838" style="font-weight:bold;" target="_blank" title="Click to know more about EXISTS">EXISTS</a> in gaseous <a href="https://interviewquestions.tuteehub.com/tag/state-21805" style="font-weight:bold;" target="_blank" title="Click to know more about STATE">STATE</a> <br/>All of these </p>Answer :D</body></html> | |
| 49009. |
Absolute ethyl alcohol can be converted to diethyl ether by heating it to 410 K in the presence of |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/dil-954006" style="font-weight:bold;" target="_blank" title="Click to know more about DIL">DIL</a>. `H_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)SO_(4)`<br/>Dil. HCl<br/>Conc. `H_(2)SO_(4)`<br/>Conc. `CH_(3)COOH`</p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`2CH_(3)CH_(2)OH <a href="https://interviewquestions.tuteehub.com/tag/underset-3243992" style="font-weight:bold;" target="_blank" title="Click to know more about UNDERSET">UNDERSET</a>(410K)overset(Conc. H_(2)SO_(4))rarr C_(2)H_(<a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a>)-O-C_(2)H_(5)+H_(2)O`</body></html> | |
| 49010. |
Absolute alcohol is |
| Answer» <html><body><p>`95%` <a href="https://interviewquestions.tuteehub.com/tag/ethanol-975823" style="font-weight:bold;" target="_blank" title="Click to know more about ETHANOL">ETHANOL</a><br/>`100%` Ethanol<br/>`<a href="https://interviewquestions.tuteehub.com/tag/75-334971" style="font-weight:bold;" target="_blank" title="Click to know more about 75">75</a>%` Ethanol<br/>mixture of <a href="https://interviewquestions.tuteehub.com/tag/various-1443317" style="font-weight:bold;" target="_blank" title="Click to know more about VARIOUS">VARIOUS</a> primary alcohols.</p>Solution :`100%` <a href="https://interviewquestions.tuteehub.com/tag/alcohol-853024" style="font-weight:bold;" target="_blank" title="Click to know more about ALCOHOL">ALCOHOL</a>.</body></html> | |
| 49011. |
Absolute alcohol can not be prepared from rectified spirit by simple distillation because |
| Answer» <html><body><p>The <a href="https://interviewquestions.tuteehub.com/tag/boiling-17187" style="font-weight:bold;" target="_blank" title="Click to know more about BOILING">BOILING</a> points of water and alcohol are very close<br/>Water and alcohol form a <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a> boiling azeotropic mixture<br/>`C_(2)H_(<a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a>)OH` forms H-bonds with water<br/>Alcohols molecules are highly hydrated</p>Solution :The ratio of water and alcohol in both phases (ie., vapour & liquid) is the same of the same and hence can be separated by fractional distillation.</body></html> | |
| 49012. |
Absolute alcohol can be prepared from rectified spirit by |
| Answer» <html><body><p>Fractional distillation <br/>Simple distillation <br/><a href="https://interviewquestions.tuteehub.com/tag/keeping-1063392" style="font-weight:bold;" target="_blank" title="Click to know more about KEEPING">KEEPING</a> over CaO for few <a href="https://interviewquestions.tuteehub.com/tag/hours-1030090" style="font-weight:bold;" target="_blank" title="Click to know more about HOURS">HOURS</a> and then <a href="https://interviewquestions.tuteehub.com/tag/distilling-956581" style="font-weight:bold;" target="_blank" title="Click to know more about DISTILLING">DISTILLING</a> <br/>Distillation under reduced pressure </p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/absolute-11456" style="font-weight:bold;" target="_blank" title="Click to know more about ABSOLUTE">ABSOLUTE</a> <a href="https://interviewquestions.tuteehub.com/tag/alcohol-853024" style="font-weight:bold;" target="_blank" title="Click to know more about ALCOHOL">ALCOHOL</a> is obtained from R.S. by azeotropic distillation i.e. distilling over quick lime.</body></html> | |
| 49013. |
Absolute alcohol can be obtained from rectified spirit by |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/fractional-998803" style="font-weight:bold;" target="_blank" title="Click to know more about FRACTIONAL">FRACTIONAL</a> <a href="https://interviewquestions.tuteehub.com/tag/distillation-15402" style="font-weight:bold;" target="_blank" title="Click to know more about DISTILLATION">DISTILLATION</a><br/>Azeotropic distillation<br/>Vacuum distillation<br/>Steam distillation</p>Solution :<a href="https://interviewquestions.tuteehub.com/tag/absolute-11456" style="font-weight:bold;" target="_blank" title="Click to know more about ABSOLUTE">ABSOLUTE</a> alcohol can be obtained from reactified <a href="https://interviewquestions.tuteehub.com/tag/spirit-1222383" style="font-weight:bold;" target="_blank" title="Click to know more about SPIRIT">SPIRIT</a> by azeoptropic distillation.</body></html> | |
| 49014. |
Absolute alcohol (100% alcohol) is prepared by distilling rectified spirit over |
| Answer» <html><body><p>Na<br/>`CaCl_(2)`<br/>`Mg`<br/>`Mg(OC_(2)H_(5))_(2)`</p>Solution :The water present in the rectified spirit is <a href="https://interviewquestions.tuteehub.com/tag/removed-2986295" style="font-weight:bold;" target="_blank" title="Click to know more about REMOVED">REMOVED</a> by `Mg(OC_(2)H_(5))_(2)`</body></html> | |
| 49015. |
AB(s)hArrA(g)+B(g)K_(p)=4,DeltaH=+ve In a container,A(g) "and" B(g) are filled to partial pressure of 1 atm each. Now AB(s) is added (in excess quantity). Which of the following is CORRECT? (No other gas is present in container): |
| Answer» <html><body><p>At equilibrium, the total pressure in the container is `<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>` <a href="https://interviewquestions.tuteehub.com/tag/atm-364409" style="font-weight:bold;" target="_blank" title="Click to know more about ATM">ATM</a>.<br/>Equilibrium pressure <a href="https://interviewquestions.tuteehub.com/tag/decreases-946143" style="font-weight:bold;" target="_blank" title="Click to know more about DECREASES">DECREASES</a> uniformly on increasing the volume by container. <br/>At equilibrium, the total pressure in the container is more than `4` atm, if temperature is increased.<br/>None of these</p>Solution :N//A</body></html> | |
| 49016. |
Above the Boyle point, for real gases shows _______. |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/positive-1159908" style="font-weight:bold;" target="_blank" title="Click to know more about POSITIVE">POSITIVE</a> deviation<br/>negative deviation<br/>no deviation<br/>unpredictable deviation</p>Answer :A</body></html> | |
| 49017. |
Above conversion can be achieved by : |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/wolf-744346" style="font-weight:bold;" target="_blank" title="Click to know more about WOLF">WOLF</a> - Kishner - reduction<br/>Clemmensen reduction<br/>`HS-CH_(2)-CH_(2)-<a href="https://interviewquestions.tuteehub.com/tag/sh-1204449" style="font-weight:bold;" target="_blank" title="Click to know more about SH">SH</a>`, <a href="https://interviewquestions.tuteehub.com/tag/following-463335" style="font-weight:bold;" target="_blank" title="Click to know more about FOLLOWING">FOLLOWING</a> by Raney Ni<br/>None of these</p>Solution :Epoxide is unstable in <a href="https://interviewquestions.tuteehub.com/tag/acidic-847601" style="font-weight:bold;" target="_blank" title="Click to know more about ACIDIC">ACIDIC</a> and basic medium</body></html> | |
| 49018. |
Above conversion can be achieved by: |
| Answer» <html><body><p>Wolf - Kishner - reduction<br/>Clemmenson reduction <br/>`LiAiH_(4)`<br/>`NaBH_(4)`</p>Solution :WE cannot use Wolf -Kishnner reduction because in Wolf - Kinshner reduction due to basic mediun elimination <a href="https://interviewquestions.tuteehub.com/tag/take-662846" style="font-weight:bold;" target="_blank" title="Click to know more about TAKE">TAKE</a> <a href="https://interviewquestions.tuteehub.com/tag/place-1155224" style="font-weight:bold;" target="_blank" title="Click to know more about PLACE">PLACE</a>. <br/> <img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/NAR_CHM_XII_V04_C03_E01_079_S01.png" width="80%"/></body></html> | |
| 49019. |
About NaOH some statements are given below i) It is used for mercerising cotton ii) It can be stored in moist air iii) It can be used for the purification of Baxuite |
| Answer» <html><body><p>I and <a href="https://interviewquestions.tuteehub.com/tag/ii-1036832" style="font-weight:bold;" target="_blank" title="Click to know more about II">II</a> are correct<br/>all are correct<br/>ii and <a href="https://interviewquestions.tuteehub.com/tag/iii-497983" style="font-weight:bold;" target="_blank" title="Click to know more about III">III</a> are correct<br/>I and iii are correct</p>Answer :D</body></html> | |
| 49020. |
About meso tartaric acid which of the following statements is/are not correct |
| Answer» <html><body><p>It is optically inactive due to <a href="https://interviewquestions.tuteehub.com/tag/internal-517481" style="font-weight:bold;" target="_blank" title="Click to know more about INTERNAL">INTERNAL</a> compensation<br/>It can be separated into two optically <a href="https://interviewquestions.tuteehub.com/tag/active-367234" style="font-weight:bold;" target="_blank" title="Click to know more about ACTIVE">ACTIVE</a> isomers<br/>It cannot be separated into two optically active isomers<br/>It is optically inactive due to external compensation</p>Solution :A) It is optically inactive because it <a href="https://interviewquestions.tuteehub.com/tag/contains-11473" style="font-weight:bold;" target="_blank" title="Click to know more about CONTAINS">CONTAINS</a> 2-asymmetric <a href="https://interviewquestions.tuteehub.com/tag/carbon-16249" style="font-weight:bold;" target="_blank" title="Click to know more about CARBON">CARBON</a> atoms <br/> <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>) It can be separated into two optically active isomers <br/> D) It is optically inactive due to external compensation</body></html> | |
| 49021. |
About 80% of the mass of the atmosphere is present in ........... |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<a href="https://interviewquestions.tuteehub.com/tag/troposphere-713207" style="font-weight:bold;" target="_blank" title="Click to know more about TROPOSPHERE">TROPOSPHERE</a></body></html> | |
| 49022. |
About 393K, when Plaster of Paris is heated, it forms _________ |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<a href="https://interviewquestions.tuteehub.com/tag/dead-435383" style="font-weight:bold;" target="_blank" title="Click to know more about DEAD">DEAD</a> <a href="https://interviewquestions.tuteehub.com/tag/burnt-2491180" style="font-weight:bold;" target="_blank" title="Click to know more about BURNT">BURNT</a> <a href="https://interviewquestions.tuteehub.com/tag/plast-1156162" style="font-weight:bold;" target="_blank" title="Click to know more about PLAST">PLAST</a></body></html> | |
| 49023. |
Abnonnal boiling point of a compound is due lo |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/van-723180" style="font-weight:bold;" target="_blank" title="Click to know more about VAN">VAN</a> <a href="https://interviewquestions.tuteehub.com/tag/der-948864" style="font-weight:bold;" target="_blank" title="Click to know more about DER">DER</a> Waal.s forces<br/>Covalent bonding<br/>Intermolecular <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a> bonding<br/>Intramolecular hydrogen bonding</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html> | |
| 49024. |
Abnormal boiling point of a compound is due to |
| Answer» <html><body><p> <a href="https://interviewquestions.tuteehub.com/tag/van-723180" style="font-weight:bold;" target="_blank" title="Click to know more about VAN">VAN</a> der Waal's <a href="https://interviewquestions.tuteehub.com/tag/forces-16875" style="font-weight:bold;" target="_blank" title="Click to know more about FORCES">FORCES</a> <br/><a href="https://interviewquestions.tuteehub.com/tag/covalent-427060" style="font-weight:bold;" target="_blank" title="Click to know more about COVALENT">COVALENT</a> bonding<br/>Intermolecular <a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a> bonding<br/> <a href="https://interviewquestions.tuteehub.com/tag/intramolecular-2746576" style="font-weight:bold;" target="_blank" title="Click to know more about INTRAMOLECULAR">INTRAMOLECULAR</a> hydrogen bonding</p>Answer :C</body></html> | |
| 49025. |
A,B,C and D are four different gases with critical temperatures 304.1, 154.3 , 405.5 and 126.0 K respectively. While cooling, the gas which gets liquefied first is "_____________". |
| Answer» <html><body><p>B<br/>A<br/>D<br/>C</p>Answer :D</body></html> | |
| 49026. |
A,B,C and D are four 100-mlL samples of water. Fluoride ion concentrations in these samples are 2, 5, 8 and 12 ppm respectively. One drop of alizarine - S dye is added to each of these samples. The order of intesity of pink colour in these water samples is |
| Answer» <html><body><p>`A <a href="https://interviewquestions.tuteehub.com/tag/gt-1013864" style="font-weight:bold;" target="_blank" title="Click to know more about GT">GT</a> <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a> gt <a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a> gt D`<br/>`D gt C gt B gt A `<br/>` A <a href="https://interviewquestions.tuteehub.com/tag/lt-537906" style="font-weight:bold;" target="_blank" title="Click to know more about LT">LT</a> B = C lt D`<br/>`A= B =C=D` </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :A</body></html> | |
| 49027. |
(a)Based on the nature of intermolecular forces , classify the following solids : Sodium sulphate, Hydrogen (b)What happen when AgCl is doped with CdCl_2 (c )Why do ferrimagnetic substances show better magnetism than antiferromagnetic substances ? |
| Answer» <html><body><p></p>Solution :(a)`Na_2SO_4`=<a href="https://interviewquestions.tuteehub.com/tag/ionic-1051191" style="font-weight:bold;" target="_blank" title="Click to know more about IONIC">IONIC</a> solid, `H_2`=Non-polar molecular solidand (<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>)<a href="https://interviewquestions.tuteehub.com/tag/electrical-968148" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRICAL">ELECTRICAL</a> <a href="https://interviewquestions.tuteehub.com/tag/conductivity-17908" style="font-weight:bold;" target="_blank" title="Click to know more about CONDUCTIVITY">CONDUCTIVITY</a> increases</body></html> | |
| 49028. |
(a)Based on the nature of intermolecular forces , classify the following solids : Silicon carbide, Argon (b)ZnO turns yellow on heating. Why ? (c )What is meant by groups 12-16 compounds . Give an example. |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :(a)SiC=covalent/network <a href="https://interviewquestions.tuteehub.com/tag/solid-1216587" style="font-weight:bold;" target="_blank" title="Click to know more about SOLID">SOLID</a> , Ar=Non <a href="https://interviewquestions.tuteehub.com/tag/polar-1157435" style="font-weight:bold;" target="_blank" title="Click to know more about POLAR">POLAR</a> <a href="https://interviewquestions.tuteehub.com/tag/molecular-562994" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULAR">MOLECULAR</a> solid</body></html> | |
| 49029. |
AB,A_(2) and B_(2) are diatomic molecules. If the bond enthlpies of A_(2),AB and B_(2) are in the ratio 1 : 1 : 0.5 and enthalopy of formation of AB from A_(2) to B_(2) is -100kJ//mol^(-1). What is the bound enthalpy of A_(2)? |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/400-315233" style="font-weight:bold;" target="_blank" title="Click to know more about 400">400</a> <a href="https://interviewquestions.tuteehub.com/tag/kj-1063034" style="font-weight:bold;" target="_blank" title="Click to know more about KJ">KJ</a>`//`mol<br/>200kJ`//`mol<br/>100 kJ`//`mol<br/>300 kJ`//`mol</p>Answer :A</body></html> | |
| 49030. |
(a)Based on the nature of intermolecular forces, classify the following solids : Benzene , Silver (b)AgCl shows Frenkel defect while NaCl does not . Give reason. (c )What type of semiconductor is formed when Ge is doped with Al ? |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :(a)`C_6H_6`=<a href="https://interviewquestions.tuteehub.com/tag/non-580180" style="font-weight:bold;" target="_blank" title="Click to know more about NON">NON</a> polar molecular <a href="https://interviewquestions.tuteehub.com/tag/solid-1216587" style="font-weight:bold;" target="_blank" title="Click to know more about SOLID">SOLID</a>, <a href="https://interviewquestions.tuteehub.com/tag/ag-362275" style="font-weight:bold;" target="_blank" title="Click to know more about AG">AG</a> =<a href="https://interviewquestions.tuteehub.com/tag/metallic-547634" style="font-weight:bold;" target="_blank" title="Click to know more about METALLIC">METALLIC</a> solid</body></html> | |
| 49031. |
AB_(3) molecule has trigonal pyramidal shape state no. of bonding and non bonding electrons ? |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a> and 1<br/>2 and 2<br/>1 and 3 <br/><a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a> and 4</p>Answer :C</body></html> | |
| 49032. |
AB_(2(g)) dissociates as AB_(2(g)) harr AB_(2(g))+B_((g)). The initial pressure of AB_2 is 600 mm Hg and equilibrium pressure of the mixture of gases is 800 mm Hg. Then |
| Answer» <html><body><p>`alpha = 33.3%`<br/>`K_p = 100mm`<br/>equilibrium pressure of `AB_2` is 400mm<br/>equilibrium pressure of <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a> is 200mm</p>Solution :<img src="https://doubtnut-static.s.llnwi.net/static/physics_images/AKS_ELT_AO_CHE_XI_V01_B_C04_E01_065_S01.png" width="80%"/> <br/> `P_(<a href="https://interviewquestions.tuteehub.com/tag/eqn-973463" style="font-weight:bold;" target="_blank" title="Click to know more about EQN">EQN</a>)=<a href="https://interviewquestions.tuteehub.com/tag/600-329515" style="font-weight:bold;" target="_blank" title="Click to know more about 600">600</a>+P=800 implies P=<a href="https://interviewquestions.tuteehub.com/tag/200-288914" style="font-weight:bold;" target="_blank" title="Click to know more about 200">200</a> prop (200)/(600)=1//3`</body></html> | |
| 49033. |
AB_(2) dissociates as AB_(2(g)) Leftrightarrow AB_((g))+B_((g)). Whwn the initial pressure of AB_(2) is 600mm of Hg, the total equilibrium pressure is 800mm of Hg. Calculate K_(p) for the reaction, assuming that the volume of the system remains unchanged |
| Answer» <html><body><p>50<br/>100<br/>166.8<br/>400</p>Answer :A</body></html> | |
| 49034. |
AB_(2) " dissociates as " : AB_(2) (g) hArr AB (g) + B (g). If the intial pressure is 500 mm of Hg and the total pressure at equilibriumis 700 mm 0f Hg, calculate K_(p)for the reaction. |
| Answer» <html><body><p></p>Solution :After dissociation , suppose the decrease in the pressure of `AB_(2)` at equilibrium is p <a href="https://interviewquestions.tuteehub.com/tag/mm-1098795" style="font-weight:bold;" target="_blank" title="Click to know more about MM">MM</a>. Then <br/> ` {:(,AB_(2) (<a href="https://interviewquestions.tuteehub.com/tag/g-1003017" style="font-weight:bold;" target="_blank" title="Click to know more about G">G</a>),hArr,AB (g),+,B (g)),(" Intial pressure",500 mm,,0,,0),(" Pressures at eqm.",(500-)p " mm", ,p" mm",,p " mm"):} ` <br/> `:. " Total pressure at equilibrium " = 500 - p + p+ p = 500 + p" mm"` <br/> `500 + p = 700" (Given) " or p= 200 " mm"` <br/> Hence , at equilibrium `p _(AB_(2)) = 500 - 200 = 300 " mm" , 200 " mm ", p_(B) = 200 mm ` <br/> `:. K_(p) = (p_(AB) <a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> p_(B))/p_(AB_(2)) = (200 xx 200)/300 = 133*<a href="https://interviewquestions.tuteehub.com/tag/3mm-311030" style="font-weight:bold;" target="_blank" title="Click to know more about 3MM">3MM</a>` <br/> Note. With <a href="https://interviewquestions.tuteehub.com/tag/respect-1186739" style="font-weight:bold;" target="_blank" title="Click to know more about RESPECT">RESPECT</a> to standard state pressure of 1 bar , i.e., 0*987 atm , i.e., 750 mm, `K_(p) = (133*3)/750=0*178.`</body></html> | |
| 49035. |
AB_(2) dissociates as : AB_(2 (g)) hArr AB_((g)) + B_((g))When the intial pressure of AB_(2) is 500 mm Hg , the total equilibrium pressure is 700 mm Hg . Calculate equilibrium constant for the reaction , assuming that the volume of the system remains unchanged . |
| Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/100-263808" style="font-weight:bold;" target="_blank" title="Click to know more about 100">100</a> <a href="https://interviewquestions.tuteehub.com/tag/mm-1098795" style="font-weight:bold;" target="_blank" title="Click to know more about MM">MM</a> <a href="https://interviewquestions.tuteehub.com/tag/hg-485049" style="font-weight:bold;" target="_blank" title="Click to know more about HG">HG</a> <br/>133.3 mm Hg<br/>200 mm Hg<br/>214.6 mm Hg</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a></body></html> | |
| 49036. |
AB is predominantly ionic as A^+ B^- if |
| Answer» <html><body><p>`(<a href="https://interviewquestions.tuteehub.com/tag/ip-14828" style="font-weight:bold;" target="_blank" title="Click to know more about IP">IP</a>)_A lt (IP)_B`<br/>`(<a href="https://interviewquestions.tuteehub.com/tag/ea-444752" style="font-weight:bold;" target="_blank" title="Click to know more about EA">EA</a>)_A lt (EA)_B`<br/>`(EN)_A lt (EN)_B`<br/>`(IP)_B lt (IP)_A`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :C</body></html> | |
| 49037. |
AB is an ionic solid. The ionic radii of A^+and B^(-) are respectively r_cand r_a. Lattice energy of AB is proportional to |
| Answer» <html><body><p>`(r_(<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>))/(r_(a))`<br/>`(r_(c)+r_(a))` <br/>`(r_(a))/(r_(c))`<br/>`(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>)/(r_(c)+r_(a))` </p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :D</body></html> | |
| 49038. |
AB crystallizes in a body centredcubic lattice with edge length 'a' equal to 387 pm. The distancebetween two oppositely charged ions in the lattices is |
| Answer» <html><body><p>250 pm<br/>200 pm<br/>300 pm<br/>335 pm</p>Solution :For <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> <a href="https://interviewquestions.tuteehub.com/tag/centred-2505437" style="font-weight:bold;" target="_blank" title="Click to know more about CENTRED">CENTRED</a> <a href="https://interviewquestions.tuteehub.com/tag/cubic-940181" style="font-weight:bold;" target="_blank" title="Click to know more about CUBIC">CUBIC</a> (b.c.c.) lattice, <a href="https://interviewquestions.tuteehub.com/tag/distance-116" style="font-weight:bold;" target="_blank" title="Click to know more about DISTANCE">DISTANCE</a> between two oppositely <a href="https://interviewquestions.tuteehub.com/tag/charged-7263949" style="font-weight:bold;" target="_blank" title="Click to know more about CHARGED">CHARGED</a> ions <br/> `d=(sqrt3a)/2 = (sqrt3times387)/2"pm"=335.15"pm"`</body></html> | |
| 49039. |
a,b, c are moles used. Sum of [a+b+c] = |
| Answer» <html><body><p><br/></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<img src="https://doubtnut-static.s.llnwi.net/static/physics_images/AKS_ELT_AO_CHE_XI_V01_D_C04_E01_198_S01.png" width="80%"/> <br/> <img src="https://doubtnut-static.s.llnwi.net/static/physics_images/AKS_ELT_AO_CHE_XI_V01_D_C04_E01_198_S02.png" width="80%"/> <br/>`:.` a + b + <a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a> = <a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a> +<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a> +3 = 8</body></html> | |
| 49040. |
AB AB ____________type of packing is called ________whereas ABCABC __________type of packing is called ___________ |
| Answer» <html><body><p><br/></p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/hexagonal-485015" style="font-weight:bold;" target="_blank" title="Click to know more about HEXAGONAL">HEXAGONAL</a> <a href="https://interviewquestions.tuteehub.com/tag/close-408965" style="font-weight:bold;" target="_blank" title="Click to know more about CLOSE">CLOSE</a> <a href="https://interviewquestions.tuteehub.com/tag/packing-1145400" style="font-weight:bold;" target="_blank" title="Click to know more about PACKING">PACKING</a> , <a href="https://interviewquestions.tuteehub.com/tag/cubic-940181" style="font-weight:bold;" target="_blank" title="Click to know more about CUBIC">CUBIC</a> close packing</body></html> | |
| 49041. |
AB , A_(2) and B_(2) are diatomic molecules, if the bond enthalpies of A_(2) , AB and B_(2) are in the ratio of 1:1:0.5 and the enthaly of formation of AB from A_(2) gives AO and DeltaH_(c)=-1200KJ mol^(-1) . Bond energy of (O=O) bond is 500KJ mol^(-1) . What is the bond enthalpy of (A-O) bond ? |
| Answer» <html><body><p>`400KJmol-1` <br/>`1650KJmol-1` <br/>`1200KJmol-1` <br/>`200KJmol-1` </p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :Bond enthalpy `(BE)` of `A_(2)=x,AB=x` and `B_(2)=(x)/(2)` <br/> `(1)/(2)A_(2)+(1)/(2)B_(2)rarrAB-100KJ//mol^(-1)` ...(i) <br/> `(1)/(2)A_(2)+(1)/(2)O_(2)rarrAO-1200KJ//mol` (given) <br/> `A_(2)+O_(2)rarr2AO-2400KJ//mol` ...(ii) <br/> `O=Orarr500KJ//mol` <br/> From eq. (i) <br/> `(1)/(2)B.E._(A_(2))+(1)/(2)B.E._(B_(2))-B.E._(AB)=-100` <br/> `(1)/(2)x+(x)/(<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)-x=-100` <br/> `-(x)/(4)=-100` <br/> `x=400(kJ)/(mol)` <br/> Now from eq (ii) <br/> `B.E._(A_2)+B.E._(O_2)-2B.E._(AO)=-<a href="https://interviewquestions.tuteehub.com/tag/2400-296074" style="font-weight:bold;" target="_blank" title="Click to know more about 2400">2400</a>` <br/> `x+(+500)-2B.E._(AO)=-2400` <br/> `400+500-2B.E._(AO)=-2400` <br/> `-B.E._(AO)=-3300` <br/> `B.E._(A-O)=<a href="https://interviewquestions.tuteehub.com/tag/1650-277626" style="font-weight:bold;" target="_blank" title="Click to know more about 1650">1650</a>(kJ)//(mol)`</body></html> | |
| 49042. |
AB, A_(2) and B_(2) are diatomic molecule. Enthalpies of AB A_(2) and B_(2) are in the ratio of 1:1:0.5 the value. Enthalpy of formation of AB, Delta_(f) H- 100 KJ mol-1. Find the dissociation enthalpy of A_2 ? Reaction : (1)/(2) A_(2) + (1)/(2) B_(2) to AB |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :<a href="https://interviewquestions.tuteehub.com/tag/400-315233" style="font-weight:bold;" target="_blank" title="Click to know more about 400">400</a> kJ/mol</body></html> | |
| 49043. |
(a)An element crystallises in BCC structure. The edge length of its unit cell is 288 pm. If the density of the crystals is 7.2 "g cm"^(-3), what is the atomic mass of the element ? (b)How many atoms of this element are present in 100 g ? |
| Answer» <html><body><p><br/></p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :(a)51.8 , (<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>)`11.62xx10^23`</body></html> | |
| 49044. |
aA+bB hArr cC + dD here A,B, C , D are in gaseous phase. Derive the relation between K_p and K_c. |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :General reaction, `aA_((g)) + bB_((g)) hArr cC_((g)) +dD_((g))` <br/> `K_c=([C]^C [D]^d)/([A]^a[B]^b)` <br/> Here , concentration of component in [ ] is in mol `<a href="https://interviewquestions.tuteehub.com/tag/l-535906" style="font-weight:bold;" target="_blank" title="Click to know more about L">L</a>^(-1)` . <br/> If partial pressure of <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a> A,B,C,D is `p_A, p_B,p_C` and `p_D` at equilibrium , so <br/> Equilibrium constant = `K_p` and `K_p =((p_C^c)(p_D^d))/((p_A^a )(p_B^b))` <br/> but p=cRT So, <br/> `p_C^c=([C]RT)^c =[C]^c (RT)^c` <br/> `p_D^d = ([D]RT)^d =[D]^c (RT)^d` <br/> `p_A^a =([A]RT)^a = [A]^c (RT)^a` <br/> `p_B^b=([B]RT)^b=[B]^b(RT)^b` <br/> `<a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a> K_p=([C]^c (RT)^c [D]^d (RT)^d)/([A]^a (RT)^a [B]^b (RT)^b)` <br/> `=([C]^c [D]^d)/([A]^a[B])(RT)^((c+d)-(a+b))` <br/> `therefore K_p = K_c(RT)^(<a href="https://interviewquestions.tuteehub.com/tag/deltan-2053533" style="font-weight:bold;" target="_blank" title="Click to know more about DELTAN">DELTAN</a>)`....(Eq.-i) <br/>where , `Deltan`=(c+d)-(a-b) <br/>`Deltan`=(Addition of coefficient of gases mole of products )- (Addition of coefficient of gases mole of reactant )<br/> For equilibrium equation , `(n_p-n_r)=(c+d)-(a+b)`</body></html> | |
| 49045. |
A5% solution (by mass) of cane sugar in water has freezing point of 271 K. Calculatge the freezing point of 5% glucose in water if freezing point of pure water is 273.15K |
| Answer» <html><body><p></p>Solution :Molar <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> of cane sugar <br/> `C_(12) H _(22) O _(11) = 342 g <a href="https://interviewquestions.tuteehub.com/tag/mol-1100196" style="font-weight:bold;" target="_blank" title="Click to know more about MOL">MOL</a> ^(-1)` <br/> Molality of sugar `= (<a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a> xx 100)/( 342 xx 100) = 0.146` <br/> `Delta T_(<a href="https://interviewquestions.tuteehub.com/tag/f-455800" style="font-weight:bold;" target="_blank" title="Click to know more about F">F</a>)` for sugar solution `=273.15 - 271=2.15^(@)` <br/> `Delta T_(f) = K_(f) xxm` <br/> `K _(f) = (2.15)/(0.146)` <br/> Molality of glucose solution `= (5)/(180) xx (1000)/(100) = 0.278 =4.09^(@)K` <br/> `therefore` Freezing point of glucose solution `=273.15-4.09 =269.06K`</body></html> | |
| 49046. |
A_(2) and B_(2) are two diatomic molecules with bond energies of A-A and B-B bonds as x and y respectively. If the bond energy of the molecule, A-B formed up from A_(2) and B_(2) is z. then, the responance energy of molecules A-B will be |
| Answer» <html><body><p>`(<a href="https://interviewquestions.tuteehub.com/tag/deltae-2053238" style="font-weight:bold;" target="_blank" title="Click to know more about DELTAE">DELTAE</a>)_(A-B) = <a href="https://interviewquestions.tuteehub.com/tag/z-750254" style="font-weight:bold;" target="_blank" title="Click to know more about Z">Z</a> - <a href="https://interviewquestions.tuteehub.com/tag/sqrt-1223129" style="font-weight:bold;" target="_blank" title="Click to know more about SQRT">SQRT</a> (<a href="https://interviewquestions.tuteehub.com/tag/xy-747762" style="font-weight:bold;" target="_blank" title="Click to know more about XY">XY</a>)`<br/>`(DeltaE)_(A-b) = x-y-z`<br/>`(DeltaE)_(A-b) = z-x+y`<br/>`(DeltaE)_(A-b) = sqrt (xy-z)`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :A</body></html> | |
| 49047. |
A1 atomloseselectronssuccessively to form A1^(+) ,A1^(2+) andA1^(3+)ions. Whichstep will havehighestionizationenthalpy ? |
| Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :`<a href="https://interviewquestions.tuteehub.com/tag/a1-360230" style="font-weight:bold;" target="_blank" title="Click to know more about A1">A1</a>^(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>+) toA1^(3+) + e^(-)` (largerthe + vecharge on the cationfrom whichthe <a href="https://interviewquestions.tuteehub.com/tag/electronis-969135" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONIS">ELECTRONIS</a> losthighestis the ionizationenthalpy ).</body></html> | |
| 49048. |
A 0.25 M glucose solution at 370 . 28 K has approxmately the pressure as blood does what is the osmotic pressure of blood? |
| Answer» <html><body><p></p>Solution :`C = 90.25 M` <br/> `T=370.<a href="https://interviewquestions.tuteehub.com/tag/28k-1834391" style="font-weight:bold;" target="_blank" title="Click to know more about 28K">28K</a>` <br/> `(pi) _("glucose") = CRT` <br/> `(pi) =0.25 <a href="https://interviewquestions.tuteehub.com/tag/mol-1100196" style="font-weight:bold;" target="_blank" title="Click to know more about MOL">MOL</a> <a href="https://interviewquestions.tuteehub.com/tag/l-535906" style="font-weight:bold;" target="_blank" title="Click to know more about L">L</a> ^(-1) xx 0.082 L <a href="https://interviewquestions.tuteehub.com/tag/atm-364409" style="font-weight:bold;" target="_blank" title="Click to know more about ATM">ATM</a> K^(-1) mol ^(-1) xx 370. 28K = 7.59 ` atm</body></html> | |
| 49049. |
(A): Zn is not a transition element. (R) : Elements with incompletely filled d-orbital are called transition elements |
| Answer» <html><body><p>Both (A) and (<a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a>) are <a href="https://interviewquestions.tuteehub.com/tag/true-713260" style="font-weight:bold;" target="_blank" title="Click to know more about TRUE">TRUE</a> and (R) is the <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a> of (A)<br/>Both (A) and (R) are true and (R) is not the correct explanation of (A)<br/> (A) is true but (R) is <a href="https://interviewquestions.tuteehub.com/tag/false-459184" style="font-weight:bold;" target="_blank" title="Click to know more about FALSE">FALSE</a> <br/>(A) is false but (R) is true</p>Answer :A</body></html> | |
| 49050. |
(A): Zinc is not considered as a transition element (R): Zn or Zn^(+2) does not contain unpaired d-electon |
| Answer» <html><body><p>Both A and <a href="https://interviewquestions.tuteehub.com/tag/r-611811" style="font-weight:bold;" target="_blank" title="Click to know more about R">R</a> are <a href="https://interviewquestions.tuteehub.com/tag/true-713260" style="font-weight:bold;" target="_blank" title="Click to know more about TRUE">TRUE</a> and R is the <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> explanation of A <br/>Both A and R are true but R is not the correct explanation of A <br/>A is true and R is <a href="https://interviewquestions.tuteehub.com/tag/false-459184" style="font-weight:bold;" target="_blank" title="Click to know more about FALSE">FALSE</a><br/>R is true and A is false </p>Answer :A</body></html> | |