52671 + Interview Questions in Chemistry in Class 11

1.	Consider the following statements (i) Matter possesses mass (ii) 22 carat gold is a mixture (iii) Dry ice is a compound. Which of the following statement(s) given above is/are correct?
Answer» `1&3` only 1 `1&2` `1,2&3` SOLUTION :`1,2&3`

Discussion

2.	Consider the following statements. (i) In the elimination reaction two substituents are eliminated from the molecule. (ii) New C-C single bond is formed.(iii) It is always accompanied with change in hybridization. Which of the statement is/are correct?
Answer» (i) only (i) and (II) (i) and (III) (ii) and (iii) SOLUTION :(i) and (iii)

Discussion

3.	Consider the following statements. (i) Henry's law is applicable at moderate temperature and pressure only. (ii)Highly soluble gases obey's Henry's law. (iii)The gases react with the solvent do not obey Henry's law. Which of the above statements is/are not correct?
Answer» (i) only (II) only (III) only (i) and (ii) ANSWER :B

Discussion

4.	Consider the following statements. (I)Cs' ion is more highly hydrated than other alkali metal ions (II) Among the alkali metals, only lithium forms a stable nitride by direct combination with nitrogen. (III) Among alkali metals, Li,Na,K,Rb, the metal, Rb has the highest melting point (IV) Among alkali metals Li,Na,K,Rb only Li forms peroxide when heated with oxygen.
Answer» I II III IV Answer :B

Discussion

5.	Consider the following statements (I) Atomic hydrogen is obtained by passing hydrogent through an electric arc (II) Hydrogen gas will not reduce leated aluminium oxide (III) Hinely divided palladium absorbs large volume of hydrogen gas. (IV) Pure nascent hydrogen is hest obtained by relicting Nu with C_(2)H_(5)OH
Answer» I alone II alone I, II and III II, II and IV Solution :(I) `KH overset("electric") underset("Arc") to` atomic hydrogen (II) According to SRP values, `H_(2)` not REDUCES AL (III) `Pd+H_(2) to dH_(2)` (occlusion)

Discussion

6.	Consider the following statements I. Atmospheric pressure is less at top of a mountain than at sea level II. Gases are much more compressible than solids or liquids III. Gaseous state is deseribed by four measurable properties P,V,T and n Select the correct statement
Answer» I and II II and III I and III I, II and III Answer :D

Discussion

7.	Consider the following statements (i) Atmospheric pressure is less at the top of a mountain than sea level (ii) Gases are much more compressible than solide or liquids When the atmospheric pressure increases the heightof mercury column rises.
Answer» I and II II and III I and III I, II and III Answer :D

Discussion

8.	Consider the following statements. (i) Atmospheric pressure is less at the top of a mountain than at sea level (ii) Gases are much more compressible than solids or liquids (iii) When the atmospheric pressure increases the height of the mercury column rises Select the correct statement.
Answer» (i) and (II) (ii) and (III) (i) and (iii) (i),(ii) and (iii) SOLUTION :(i), (ii) and (iii)

Discussion

9.	Consider the following statements. (i) Alkanes are saturated hydrocarbons in which all the bonds between the carbon atoms are single bond. (ii) Alkenes are saturated hydrocarbons in which atleast one carbon - carbon double bond is present. (iii) Alkynes are unsaturated hydrocarbons in which atleast one carbon-carbon triple how present.
Answer» (i) and (II) (i) and (III) (ii) and (iii) only (ii) ANSWER :B

Discussion

10.	Consider the following statements (A)The pH of a mixture containing 400 mL 0.1 M 400 mL of 0.1 M NaOH will approximately 1.3. (B)Ionic product of water is temperature dependent. (C )A monobasic end with K_a=10^(-5)has a pH=5. The degree of dissociation of this acid is 50%. (D)The Le Chatelier's principle is not applicable to common-ion effect.
Answer» (A),(B) and (D) (A),(B) and (C) (A) and (B) (B) and (C) ANSWER :B

Discussion

11.	Consider the following statements and pick the incorrect statement(s). 1. Schrodinger wave equation is used to determine the probability of finding a electron at a given point in space. 2 The energy of a electron at infinity is positive. 3. Angular momentum quantum number gives information regarding subshells.
Answer» 1 & 3 only 1 only 2 1,2 & 3 Answer :C

Discussion

12.	Consider the following statement(s) and identify the true statements (s) with respect to entropy . (i) The SI unit of entropy is JK^(-1) (ii) For a reversible process DeltaS_("universe")=0
Answer» Only (i) Only (III) Both (i) and (II) (i) , (ii) and (iii) ANSWER :D

Discussion

13.	Consider the following statementsand choosethe CORRECT statement . (i) Cs^(+) ion ismorehighlyhydratedthan otheralkalimetal ions. (ii)Amongthe alkalimetals, onlylithiumformsa stablenitrideby directcombinationwithnitrogen. (iii)Among alkalimetalLi , Na ,K , Rb, themetal,Rbhasthe highest meltingpoint (iv)Amongalkalimetals Li,Na , K , Rb , only Li formsperoxidewhenheatedwithoxygen,(iv)
Answer» I II III IV Answer :B

Discussion

14.	Consider the following statements according to modern periodic table.(i)Modern periodic table contains 18 vertical columns and 7 horizontal rows.The elements after uranium are called transuranium elements(iii)The 17 th group elements are called chalcogens(iv)The elements of Groups 13 to 18 are called p- block elements. which of the following statement (s) given above is /are correct.
Answer» (i),(iii)& (IV) (i),(ii)& (iii) (i),(ii) & (iv) all the 4 statements ANSWER :C

Discussion

15.	Consider the following statements (A) Gypsum contains a low percentage of calcium than plaster of paris (B) Plaster of paris can be reobtained by hydration of dead plaster (C ) Gypsum looses 3//2 of its water of crystallisation formes plaster of paris at 120^(@)C (D) Plaster of paris can be obtained by partial oxidation of gypsum Arrange them in the order of true/false
Answer» TFTF "FF"TF "TT""FF" "TTTT" Solution :Gypsam contains a LOW `%` of Ca than plaster of paris. Plaster of paris cann.t be reobtained by HYDRATION of dead plaster Gypsum looses `(3)/(2)` of its water of crytallisation FORMING plaster of paris at `120^(@)C`. Plaster of paris cann.t be obtained by partial OXIDATION of gypsum

Discussion

16.	Consider the following statements 1) Water has high dielectric constant. 2) Water has strong intra molecular hydrogen bonding 3) Water is an Universal solvent which of the following statement (s) given above is/are not correct
Answer» 1 & 3 only 1 2 & 3 only 2 Answer :D

Discussion

17.	Consider the following statements 1. Matter possesses mass. 2. 22 carat gold is a mixture. 3. Dry ice is a compound Which of the following statement(s) given above is/are correct?
Answer» 1 & 3 only 1 1 & 2 1,2& 3 Answer :A::B::C

Discussion

18.	Consider the following statements 1. lambda = h//mv is valid only when the particle travels at speed much less than the speed of light. 2. Einstein's mass-energy relationship is E = mc^(2) The angular momentum (mvr) of the electron must be equal to an integral multiple of h//4pi. Which of the following statement(s) given above is/are correct?
Answer» 1 & 3 only 1 1 & 2 1, 2 & 3 Answer :C

Discussion

19.	Consider the following statements 1. lambda=h//mv is valid only when the particle travels at speed much less than the speed of light. 2. Einstein's mass-energy relationship is E=mc^(2) 3. The angular momentum (mvr) of the electron must be equal to an integral multiple of h//4pi. Which of the following statement(s) given above is/are correct?
Answer» `1&3` only 1 `1&2` `1,2&3` SOLUTION :`1&2`

Discussion

20.	Consider the following statements 1. Gypsum is calcium sulphate hemihydrate 2. Retrograde solubility is striking feature of gypsum 3. Alabaster is a variety of gypsum Which of the following statement(s) given above is/ are incorrect?
Answer» 1 & 3 only 1 2 & 3 1, 2 & 3 Answer :B

Discussion

21.	Consider the following statements (1) Gases are the most compressible state of matter. 2. Gases take the shape of the container. 3. The density of gases is higher than that of liquids Which of the following statmenet(s) given above is/are corrent?
Answer» 1&3 only 1 2&3 1&2 Answer :D

Discussion

22.	consider the following statements 1) Hard water forms scum with soap. 2) Hard water lathers easily with soap 3) Hard water is unsuitable for laundry and boilers which of the following statement (s) given above is/are correct ?
Answer» 1 & 2 only 1 1 & 3 only 2 Answer :A

Discussion

23.	Consider the following statements 1. Alkali metals are soft. 2. Alkali metals show high reactivity 3. I.E of alkali metal decreases down the group Which of the following statement(s) given above is/ are correct?
Answer» 1 & 3 only 1 2 & 3 1, 2 & 3 Answer :D

Discussion

24.	Consider the following statement (i)the process of reduction using sodium in liquidammonia is called as birch reduction (ii) birch reductionis sterospecific inreaction (iii) alkynes can bereducedto cisalkeneous using birch reduction which of the abovestatement is / are correct
Answer» the PROCESS of reductio using sodiumin liquid ammonai is called as birch reductino birch REDUCTION is stereospecific in reaction ALKYNES can be reduced to CIS - alkenes using birch reduction which of the above statement is /are correct ANSWER :a

Discussion

25.	Consider the following statement? (i)Covalent bonds are break into two different ways. (ii) They are homolytic and heterolytic cleavage. (iii) During the fission of a covalent bond organic compounds from a new organicmolecules Which of the above statement is/are not correct.
Answer» (i) only (i) and (II) (III) only (ii) and (iii) ANSWER :C

Discussion

26.	Consider the following statement about different impurities in drinking water.
Answer» Only III is correct All but I are correct All but II are correct I,II and III are correct Solution :All of the given STATEMENT REGARDING presence of lead, nitrate and SULPHATE in DRINKING water are correct.

Discussion

27.	Consider thefollowingspecies . N^(3-), O^(2-) , F^(-) Na^(+) Mg^(2+) and A1^(3+) (i)What iscommonin them ? (ii) Arrange them in orderof increasingionicradii ?
Answer» Solution : (a) Eachone ofthesecontains10 electronsand henceall areisoelectronicions. (b) Theionicradii ofisoelectronic ionsdecrease with theincrease in themagnitudeof thenuclear charge.Forexample considerthe ISOELECTRONIC ions `: N^(3-) , O^(2-), F^(-) , Na^(+) , MG^(2+)` and `A1^(3+)` . Alltheseions have 10electrons but theirnuclear charges increases in theorder : `N^(3-) (+7) ,O^(2-) (+8) , F^(-) (+9) ,Na^(+) (+11) , Mg^(2+) (+12) ` and `A1^(3+) (+13). ` Therefore, theirionicradii decrease in the order`: N^(3+) O^(2-) gt F^(-) gt Na^(+) gt Mg^(2+) A1^(3+)`

Discussion

28.	Consider the following species : N^(3-) , O^(2-) , F^(-) , Na^(+) , Mg^(2+) , Al^(3+) (a) What is common in them ? (b) Arrange them in the order of increasing ionic radii.
Answer» Solution :All these ions have same number (10) of electrons. Therefore, these are also CALLED isoelectronic species. (b) Since the number of electrons are same, the ionic size DECREASE with increase in nuclear charge. Therefore, the ions can be arranged in increasing order of ionic radii as `Al^(3+) lt Mg^(2+) lt Na^(+) lt F^(-) lt O^(2-) lt N^(3-)`

Discussion

29.	Consider the following species :CN^+, CN^- , NOand CNWhich one of these will have the highest bond order?
Answer» CN NO `CN^+` `CN^-` SOLUTION :`CN^-`

Discussion

30.	Consider the following species : CN^(+), CN^(-), NO and CN Which one of these will have the highestbond order ?
Answer» `CN^(+)` `CN^(-)` NO CN Solution :`NO (15E^(-)) : sigma (1s)^(2) , sigma^() (1s^(2)), sigma^() (1s)^(2) , sigma (2s)^(2)`, ` sigma^() (2s)^(2), sigma (2p_(z))^(2) , pi(2p_(x))^(2)` `pi (2p_(y))^(2) . Pi^() (2p_(x))^(1) = pi^() (2p_(y))^(0)` B.O. ` = (10 - 5)/(2) = 2.5 ` `CN^(-) (14 e^(-)) : sigma(1s)^(2), sigma^() (1s)^(2), sigma (2s)^(2)` , ` sigma^() (2s)^(2) , pi (2p_(x))^(2) = pi (2p_(y))^(2)` `sigma (2p_(z))^(2)` B.O. ` = (10- 4)/(2) = 3 ` ` CN (13 e^(-)) : sigma(1s)^(2), sigma^() (1s)^(2), sigma (2s)^(2)` , ` sigma^() (2s)^(2) , pi (2p_(x))^(2) = pi (2p_(y))^(2)` `sigma (2p_(z))^(1)` B.O.`= (9-4)/(2) = 2.5 ` `CN (12 e^(-)) : sigma(1s)^(2), sigma^() (1s)^(2), sigma (2s)^(2)` , `sigma^(**) (2s)^(2) , pi (2p_(x))^(2) = pi (2p_(y))^(2)` B.O. ` = (8 - 4)/(2) = 2 ` Hence , `CN^(-)` has the highest bond order .

Discussion

31.	Consider the following six electronic configurations (remaining inner orbitals are completely filled) and mark the incorrect option
Answer» Stability order : `IV gt II gt III` Order of SPIN mutiplicity :`IV gt III = I gt II` V does not violate all the THREE RULES of electronic configuration If IV represents `A^+` when kept NEAR a magnet , acts as DIAMAGNETIC substance Solution :If the species contain paired `e^-` , then it is said to be diamagnetic

Discussion

32.	Consider the following sets of quantum numbers:{:(,n,l,m,s),("(i)",3,0,0,+1/2),("(ii)",2,2,1,-1/2),("(iii)",4,3,-2,+1/2),("(iv)" ,1,0,-1,+1/2),("(v)" , 3,4,3,-1/2):} Which ofthe following sets of quantum number is not possible?
Answer» (i),(II),(iii)and(iv) (ii),(iv)and(v) (i)and(iii) (ii),(iii)and(iv) Solution :(ii)l can have the VALUES from 0 to n-1 n=2,posible.l. values are 0,1 hence l=2 is not POSSIBLE.

Discussion

33.	Consider the following sets of quantum numbers {:(,n,l,m,s),((i),2,1,-1,3//2),((ii),1,1,1,+1//2),((iii),1,0,+1,-1//2),((iv),1,0," "0,-1//2):} Which of the following sets of quantum numbers is not possible ?
Answer» (i) and (II) (ii) and (IV) (i), (ii) and (III) (i), (ii) and (iii) and (iv) ANSWER :A

Discussion

34.	Consider the following sets of quantum numbers {:(,n,l,m,s),((i),2,1,-1,3//2),((ii),1,1,1,+1//2),((iii),1,0,+1,-1//2),((iv),1,0, 0,-1//2):} which of the following sets of quantum number is not possible?
Answer» (i) and (II) (ii) and (IV) (i) , (ii) and (III) (i) ,(ii) (iii) and (iv) ANSWER :C

Discussion

35.	Consider the following sets of quantum numbers {:(,n,1,m,s),((i),2,1,-1,3//2),((ii),1,1,1,+1//2),((iii),1,0,+1,-1//2),((iv),1,0,0,-1//2):} Which of the following sets of quantum numbers is not possible ?
Answer» (i) and (II) (ii) and (IV) (i), (ii) and (III) (i), (ii), (iii) and (iv) ANSWER :C

Discussion

36.	Consider the following sets of quantum numbers: n1ms(i) 300+ 1//2(ii) 221-1//2(iii)43-2+1//2(iv) 10-1+!//2(v) 343-1//2Which of the following sets of quantum number is not possible ?
Answer» (i), (II), (iii) and (IV) (i), (iv) and (v) (i) and (ii) (ii), (iii) and (iv) Solution : (ii) I can have the VALUES from 0 to n-1 n=2, POSSIBLE /. values are 0, 1 HENCE / -2 is not possible. (iv) for / -0,m=-1 not possible (v) for n-37-4 and m = 3 not possible

Discussion

37.	Consider the following sequence of reactions: B_(2)O_(3) + CaF_(2) + H_(2)SO_(4) rarr (A) + (B) + H_(2)O (A) +LiAlH_(4) rarr (C)(g) + (D) + LiF (C) +H_(2)ODeltararr (D) + H_(2) uarr (D) +Na_(2)CO_(3) rarr (E) + NaBO_(2) + CO_(2) uarr (E) +NH_(4)Cl rarr (F) + B_(2)O_(2) + NaCl + H_(2)O The emipirical formula mass of compound (F)
Answer» 25 15 50 117.5 Answer :A

Discussion

38.	Consider the following sattements : (i) E_(2) reaction is a bimolecular elimination reaction of second order. (ii) E_(2) reaction takes place in two steps. (iii) E_(2) reaction generally takes place in primary alkyl halides. Which of the above statement is/are not correct?
Answer» (i) ONY (II) ony (III) ony (i) and (iii) ANSWER :B

Discussion

39.	Consider the following salts : NaCl, HgCl_(2), CuCl_(2), CuCl and AgCl Identify the correct salts that are insoluble in water.
Answer» `Hg_(2)Cl_(2), CUCL, AgCl` `HgCl_(2), CuCl, AgCl` `Hg_(2)Cl_(2), CuCl_(2), AgCl` `Hg_(2)Cl_(2), CuCl, NaCl` SOLUTION :These are all water insoluble salts

Discussion

40.	Consider the following reversible reaction at equilibrium, A+BhArrC. If the concentration of the reactants A and B are doubled, then the equilibrium constant will
Answer» be DOUBLED become one fourth be HALVED REMAIN the same Answer :D

Discussion

41.	Consider the following reversible reaction at equilibrium, A + B hArr C, If the concentration of the reactants A and B are doubled,then the equilibrium constant willl………………………. .
Answer» be DOUBLED BECOME one fourth be halved remain the same Solution :`A + BhArr C ` `K_C = ([C])/([A][B])` If [A] and [B] are doubled, [C] increases 4 times to MAINTAIN`K_C` as constant. `:.` EQUILIBRIUM constant will remain the same.

Discussion

42.	Consider the following relatoin for EMF of an electrochemical cell (i) EMF of cell =(Oxidation potential of anode) -(Reduction potenital of cathode ) (ii) EMF of cell =(oxidation potential of anode ) + (Reduction potential of cathode ) (iii) EMF of cel =(Reducation potential of anode ) +( Reduction potenital of cathode )(iv) EMF of cell =(oxidation potential of anode ) -(oxidation potentialof cathode) which of the abvoe realtions are correct
Answer» (iii) and (i) (i) and (ii) (iii) and (IV) (ii) and (iv) Solution :We KNOW that oxidation POTENTIAL =- reduction potential and VICE versa `therefore`EMF of the cell =Reduction potential of cathode - Reduction potential of anode =Reduction potential of cathode + Oxidation potential of anode=Oxdiation potential of anode - oxidationpotential of cathode Thus option (d) is CORRECT

Discussion

43.	Consider the following redox reaction in which compound .X. is a product. P_(4)+H_(2)O+KOH to PH_(3)+X. The oxidation state of phorsphorous in compound .X. is
Answer» `+1` `+3` `+4` `+5` ANSWER :A

Discussion

44.	Consider the following reactions : X+HCloversetunderset(AlCl_(3))("Anhydrous")rarrC_(2)H_(5)Cloversetunderset(KOH)("Aqueous")rarrY Y can be converted to X on heating with ……….. At ………….. Temperature.
Answer» `Al_(2)O_(3),350^(@)C` `Cu,300^(@)C` `Ca(OH)_(2)+CaOCl_(2),60^(@)C` `NaOH//I_(2),60^(@)C` ANSWER :A

Discussion

45.	Consider the following reactions, S(s)+3F_(2)(g)iffSF_(6)(g) In each of the above reaction find out whether you have to increase (or) decrease the volume to increase the yield of the product.
Answer» Solution :`S(s)+3F_(2)(g)iffSF_(6)(g)` In the above equilibrium INCREASE in pressure favours FORMATION of product hence VOLUME should be decreased.

Discussion

46.	Consider the following reactions, S(s)+3F_(2)(g)hArrSF_(6)(g) In each of the above reaction find out whether you have to increase (or) decrease the volume to increase the yield of the product.
Answer» Solution :`S(s)+3F_(2)(g)hArrSF_(6)(g)` In the above equilibrium increase in PRESSURE FAVOURS formation of PRODUCT hence volume should be decreased.

Discussion

47.	Consider the following reactions i)Cr_(2)O_(3)+2"Al"to Al_(2)O_(3)+2Cr+Heart ii) Al_(2)O_(3)+2CrtoCr_(2)O_(3)+2Al+Heart iii) 2Al+6NaOH to 2Na_(3)AlO_(3)+3H_(2)In this possible reactions are
Answer» I &III II&iii i&ii I,ii&iii Answer :1

Discussion

48.	Consider the following reactions : I. Al + NaOH + H_2O overset(Delta)rarr II. F_(2)+NaOH(conc.) rarr III. NaOH+P ("white") +H_2Orarr The correct set of reactions which gives gaseous product is :
Answer» I, II and III Only I and II Only I and III Only II and III Answer :A

Discussion

49.	Consider the following reactions: I : AIH_(3)+ H^(-) to AlH_(4)^(-) II : H_(2)O + H^(-) to H_(2) + OH^(-) Select the correct statement from the following :
Answer» `H^(-)` is a Lewis ACID in I and Lewis base in II `H^(-)` is a Lewis acid in I and Bronsted base in II `H^(-)` is a Lewis acid in I and Bronsted base in II `H^(-)` is a Lewis base in I and II Solution :`H^(-)` ION is a Lewis base in I and Bronsted base in II.

Discussion

50.	Consider the following reactions, H_(2)(g)+I_(2)(g)iff2HI In each of the above reaction find out whether you have to increase (or) decrease the volume to increase the yield of the product.
Answer» SOLUTION :`H_(2)(g)+I_(2)(g)iff2HI` According to Le Chateliers PRINCIPLE increase in pressure will SHIFT the equilibrium a direction that has LESSER number of moles. In the above equilibrium, pressure and volume has no effect, SINCE no. of moles of reactant.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Consider the following statements (i) Matter possesses mass (ii) 22 carat gold is a mixture (iii) Dry ice is a compound. Which of the following statement(s) given above is/are correct?

Consider the following statements. (i) In the elimination reaction two substituents are eliminated from the molecule. (ii) New C-C single bond is formed.(iii) It is always accompanied with change in hybridization. Which of the statement is/are correct?

Consider the following statements. (i) Henry's law is applicable at moderate temperature and pressure only. (ii)Highly soluble gases obey's Henry's law. (iii)The gases react with the solvent do not obey Henry's law. Which of the above statements is/are not correct?

Consider the following statements I. Atmospheric pressure is less at top of a mountain than at sea level II. Gases are much more compressible than solids or liquids III. Gaseous state is deseribed by four measurable properties P,V,T and n Select the correct statement

Consider the following statements (i) Atmospheric pressure is less at the top of a mountain than sea level (ii) Gases are much more compressible than solide or liquids When the atmospheric pressure increases the heightof mercury column rises.

Consider the following statements. (i) Atmospheric pressure is less at the top of a mountain than at sea level (ii) Gases are much more compressible than solids or liquids (iii) When the atmospheric pressure increases the height of the mercury column rises Select the correct statement.

Consider the following statement(s) and identify the true statements (s) with respect to entropy . (i) The SI unit of entropy is JK^(-1) (ii) For a reversible process DeltaS_("universe")=0

Consider the following statements 1) Water has high dielectric constant. 2) Water has strong intra molecular hydrogen bonding 3) Water is an Universal solvent which of the following statement (s) given above is/are not correct

Consider the following statements 1. Matter possesses mass. 2. 22 carat gold is a mixture. 3. Dry ice is a compound Which of the following statement(s) given above is/are correct?

Consider the following statements 1. Gypsum is calcium sulphate hemihydrate 2. Retrograde solubility is striking feature of gypsum 3. Alabaster is a variety of gypsum Which of the following statement(s) given above is/ are incorrect?

Consider the following statements (1) Gases are the most compressible state of matter. 2. Gases take the shape of the container. 3. The density of gases is higher than that of liquids Which of the following statmenet(s) given above is/are corrent?

consider the following statements 1) Hard water forms scum with soap. 2) Hard water lathers easily with soap 3) Hard water is unsuitable for laundry and boilers which of the following statement (s) given above is/are correct ?

Consider the following statements 1. Alkali metals are soft. 2. Alkali metals show high reactivity 3. I.E of alkali metal decreases down the group Which of the following statement(s) given above is/ are correct?

Consider the following statement (i)the process of reduction using sodium in liquidammonia is called as birch reduction (ii) birch reductionis sterospecific inreaction (iii) alkynes can bereducedto cisalkeneous using birch reduction which of the abovestatement is / are correct

Consider the following statement? (i)Covalent bonds are break into two different ways. (ii) They are homolytic and heterolytic cleavage. (iii) During the fission of a covalent bond organic compounds from a new organicmolecules Which of the above statement is/are not correct.

Consider the following statement about different impurities in drinking water.

Consider thefollowingspecies . N^(3-), O^(2-) , F^(-) Na^(+) Mg^(2+) and A1^(3+) (i)What iscommonin them ? (ii) Arrange them in orderof increasingionicradii ?

Consider the following species : N^(3-) , O^(2-) , F^(-) , Na^(+) , Mg^(2+) , Al^(3+) (a) What is common in them ? (b) Arrange them in the order of increasing ionic radii.

Consider the following species :CN^+, CN^- , NOand CNWhich one of these will have the highest bond order?

Consider the following species : CN^(+), CN^(-), NO and CN Which one of these will have the highestbond order ?

Consider the following six electronic configurations (remaining inner orbitals are completely filled) and mark the incorrect option

Consider the following sets of quantum numbers:{:(,n,l,m,s),("(i)",3,0,0,+1/2),("(ii)",2,2,1,-1/2),("(iii)",4,3,-2,+1/2),("(iv)" ,1,0,-1,+1/2),("(v)" , 3,4,3,-1/2):} Which ofthe following sets of quantum number is not possible?

Consider the following sets of quantum numbers {:(,n,l,m,s),((i),2,1,-1,3//2),((ii),1,1,1,+1//2),((iii),1,0,+1,-1//2),((iv),1,0," "0,-1//2):} Which of the following sets of quantum numbers is not possible ?

Consider the following sets of quantum numbers {:(,n,l,m,s),((i),2,1,-1,3//2),((ii),1,1,1,+1//2),((iii),1,0,+1,-1//2),((iv),1,0, 0,-1//2):} which of the following sets of quantum number is not possible?

Consider the following sets of quantum numbers {:(,n,1,m,s),((i),2,1,-1,3//2),((ii),1,1,1,+1//2),((iii),1,0,+1,-1//2),((iv),1,0,0,-1//2):} Which of the following sets of quantum numbers is not possible ?

Consider the following sets of quantum numbers: n1ms(i) 300+ 1//2(ii) 221-1//2(iii)43-2+1//2(iv) 10-1+!//2(v) 343-1//2Which of the following sets of quantum number is not possible ?

Consider the following sattements : (i) E_(2) reaction is a bimolecular elimination reaction of second order. (ii) E_(2) reaction takes place in two steps. (iii) E_(2) reaction generally takes place in primary alkyl halides. Which of the above statement is/are not correct?

Consider the following salts : NaCl, HgCl_(2), CuCl_(2), CuCl and AgCl Identify the correct salts that are insoluble in water.

Consider the following reversible reaction at equilibrium, A+BhArrC. If the concentration of the reactants A and B are doubled, then the equilibrium constant will

Consider the following reversible reaction at equilibrium, A + B hArr C, If the concentration of the reactants A and B are doubled,then the equilibrium constant willl………………………. .

Consider the following redox reaction in which compound .X. is a product. P_(4)+H_(2)O+KOH to PH_(3)+X. The oxidation state of phorsphorous in compound .X. is

Consider the following reactions : X+HCloversetunderset(AlCl_(3))("Anhydrous")rarrC_(2)H_(5)Cloversetunderset(KOH)("Aqueous")rarrY Y can be converted to X on heating with ……….. At ………….. Temperature.

Consider the following reactions, S(s)+3F_(2)(g)iffSF_(6)(g) In each of the above reaction find out whether you have to increase (or) decrease the volume to increase the yield of the product.

Consider the following reactions, S(s)+3F_(2)(g)hArrSF_(6)(g) In each of the above reaction find out whether you have to increase (or) decrease the volume to increase the yield of the product.

Consider the following reactions i)Cr_(2)O_(3)+2"Al"to Al_(2)O_(3)+2Cr+Heart ii) Al_(2)O_(3)+2CrtoCr_(2)O_(3)+2Al+Heart iii) 2Al+6NaOH to 2Na_(3)AlO_(3)+3H_(2)In this possible reactions are

Consider the following reactions : I. Al + NaOH + H_2O overset(Delta)rarr II. F_(2)+NaOH(conc.) rarr III. NaOH+P ("white") +H_2Orarr The correct set of reactions which gives gaseous product is :

Consider the following reactions: I : AIH_(3)+ H^(-) to AlH_(4)^(-) II : H_(2)O + H^(-) to H_(2) + OH^(-) Select the correct statement from the following :

Consider the following reactions, H_(2)(g)+I_(2)(g)iff2HI In each of the above reaction find out whether you have to increase (or) decrease the volume to increase the yield of the product.