52671 + Interview Questions in Chemistry in Class 11

1.	The correct equation for the degree of an associating solute, 'n' molecules of which undergoes association in solution, is ………….
Answer» 1) `ALPHA = (n (i-1))/(n -1)` 2) `alpha = (n(1-i))/((n -1))` 3) `alpha = (n (I -1))/(1-n)` 4) `alpha = (n (1-i))/(n (1-i))` SOLUTION :`alpha = ((1-i n ))/((n -1))(or) (n (i -1))/( (1-n))`

Discussion

2.	The correct electronic configuration of Ti (Z=22) atom is
Answer» `1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^2` `1s^2 2s^2 2p^6 3s^2 3p^6 3d^4` `1s^2 2s^2 2p^6 3s^2 3p^63d^4` `1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^3` ANSWER :A

Discussion

3.	The correct electronic configuration of alkaline earth metal is_________
Answer» [noble GASES]ns1 [noble gases]NS2 [noble gases]ns2np6 NS(n-1)d1-10 Solution :(noble gases] `ns^(2)`

Discussion

4.	The correct electronic configuration of ._(29)Cu^(2+) is
Answer» `[Ar] 4s^(1) 3D^(10)` `[Ar] 4s^(2) 3d^(8)` `[Ar] 4s^(2) 3d^(9)` `[Ar] 4s^(0) 3d^(9)` Answer :D

Discussion

5.	The correct differential form of van't Hoff equation is ………….
Answer» SOLUTION :`(d(ln k))/(dT) = (Delta H^(@))/(RT^(2))`

Discussion

6.	The incorrect electronic arrangment is
Answer» 2,8,13,1 2,8,12,2 2,8,8,1 2,8,8,2 Answer :B

Discussion

7.	The correct descending order of the heat liberated (in kJ) during the neutralization of the acids CH_(3)C O O H(W),HF(X), HCO OH (Y) and HCN(Z) under indentical conditions (K_(a) " of" CH_(3) CO OH = 1.8 xx 10^(-5), HCO OH = 1.8 xx 10^(-4), HCN = 4.9 xx 10^(-10)and HF = 3.2 xx 10^(-4)) is
Answer» `Y GT X gt Z gt W` `X gt Y gt W gt Z` `Z gt X gt Y gt Z` `Z gt W gt X gt Y` Solution :From the `K_(a)` values, strengthof theacids is in theorder : `HF gt HCO OH gt CH_(3)CO OH gt HCN` Weaker the acid, greater is the energy used for ionization and less is the HEAT liberated or stronger the acid, more the heat is liberated. Hence, order of liberation of heat is `HF gt HCO OH gt CH_(3) CO OH gt HCN` or `X gt Y gt W gt Z`

Discussion

8.	The correct decreasing order of stability of I,II and III carbocations is: (I) CH_(3)-overset(+)(C)H-CH_(3) (II) CH_(3)-overset(+)(C)H-COCH_(3) (III) CH_(3)-overset(+)(C)H-OCH_(3)
Answer» `I GT II gt III` `II gt III gt I` `III gt I gt II` `II gt I gt III` ANSWER :C

Discussion

9.	The correct descending order of the heat librated (in kJ) during the neutralisation of the acids CH_(3)COOH(W), HF(X), HCOOH(Y) AND HCN(Z) under identical conditions (K_(a) of CH_(3)COOH = 1.8 xx 10^(-5), HCOOH = 1.8xx 10^(-4), HCN = 4.9 xx 10^(-10) and HF = 3.2 xx 10^(-4)) is
Answer» `Y gt X gt Z gt W` `X gt Y gt W gt Z` `W gt X gt Y gt Z` `Z gt W gt Y gt X` Solution :From the `K_(a)` values, strength of acids is in the order : `HF(X)gt HCOOH(Y) gt CH_(3)COOH(W) gt HCN(Z)` Stronger the acid, higher is the heat liberated during the neutralisation because lesser ENERGY is required for ionisation.Therefore, correct order of heat liberated is `X gt Y gt W gt Z`.

Discussion

10.	The correct decreasing order of surface tension for water , ethanol and n - hexane is
Answer» n hexane `lt` ETHANOL `lt` water Water `gt` ethanol `gt` n -hexane n- hexane `lt` water `lt` ethanol ethanol `lt` water `lt` n - hexane Solution :Intermolecular forces of ATTRACTIONS are MAXIMUM in water and MINIMUM in n- hexane

Discussion

11.	The correct descending order of solubility of sulphate salts of alkaline earth metals in water is...
Answer» `BeSO_(4) gt CaSO_(4) gt MgSO_(4) gt BaSO_(4)` `BaSO_(4) gt CaSO_(4) gt MgSO_(4) gt BeSO_(4)` `BeSO_(4) gt MgSO_(4) gt CaSO_(4) gt BaSO_(4)` `MgSO_(4) gt CaSO_(4) gt BaSO_(4) gt BeSO_(4)` ANSWER :C

Discussion

12.	The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is…….
Answer» `-SO_(3)H, -COOH, -CONH_(2), -CHO` `-CHO, -COOH, -SO_(3)H, -CONH_(2)` `-CONH_(2)-CHO, -SO_(3)H, -COOH` `-COOH, -SO_(3)H,-CONH_(2), -""^(-)C HO` ANSWER :D

Discussion

13.	The correct decreasing order of priority for the functional groups of organic compounds in the IUPACsystem of nomenclature is
Answer» `-SO_(3)H,-COOH,-CONH_(2),-CHO` `-CHO,-COOH,-SO_(3)H,-CONH_(2)` `-CONH_(2),-CHO,-SO_(3)H,-COOH` `-COOH,-SO_(3)H,-CONH_(2),-CHO` SOLUTION :It is based on IUPAC system.

Discussion

14.	The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is
Answer» `-CONH_(2),-CHO,-SO_(3)H,-COOH` `-COOH,-SO_(3)H,-CONH_(2),-CHO` `-SO_(3)H,-COOH,-CONH_(2),-CHO` `-CHO,-COOH,-SO_(3)H,-CONH_(2)` Answer :B

Discussion

15.	The correctdecreasingorder of firstionizationenthalpiesof fiveelementsof thesecondperiodis
Answer» `Be gtB gt C gt N gt F ` `N gt F gt C gt B gt Be ` `F gt N gt C gt Be gt B` `N gt F gt B gt C gt Be` Solution :Aswe MOVE fromleftto rightacrossa PERIOD`Delta_(i) H_(1)` generallyincreases.ThusF has THEHIGHEST`Delta_(i)H_(1)` .But asdiscussedin Ans. 55 above in spiteof highernuclear charge of B,`Delta_(i) H_(1)` of Beis higherthan thatof B. Combiningthesetwo TRENDS, the`Delta_(i)H_(1)` of thefiveelementsdecreasesin theorder : `F gt N gt C gt Be gt B` i.e.,option( c) is correct.

Discussion

16.	The correct decreasing order of ease of acid catalysed estrification is :
Answer» `CH_(3)[CH_(2)]_(3)OH gt CH_(3)CH_(2)C(OH)CH_(3) gt (CH)_(3)COH` `CH_(3)C(OH)C_(2)H_(5) gt CH_(3)[CH_(2)]_(3)OH gt (CH_(3))_(3)COH` `(CH_(3))_(3)COH gt CH_(3)CH_(2)C(OH)CH_(3) gt CH_(3)[CH_(2)]_(3)OH` None of these is correct Solution :ESTERIFICATION of alcohols INVOLVE the cleavage of `RO-H` BOND. The roder of reactivity in this reaction is `1^(@) gt 2^(@) gt 3^(@)`.

Discussion

17.	The correct decreasing order for the function groups of organic compounds in the IUPAC system of nomenclature is
Answer» `-CONH_(2), -CHO, -SO_(3)H, -COOH` `-COOH, -SO_(3)H, -CONH_(2), -CHO` `-SO_(3)H, -COOH, -CONH_(2), -CHO` `-CHO, -COOH, -SO_(3)H, -CONH_(2)`. SOLUTION :is the CORRECT sequence.

Discussion

18.	The correct decreasing order for acid strength is :
Answer» `CHCH_(2)COOH gt O_(2)NCH_(2)COOH lt FCH_(2)COOH lt ClCH_(2)COOH` `FCH_(2)COOH gt N"CC"H gt NO_(2)CH_(2)COOH gt ClCH_(2)COOH` `NO_(2)CH_(2)COOH gt N"CC"H_(2)COOH gt FCH_(2)COOH gt ClCH_(2)COOH` `NO_(2)CH_(2)COOH gtFCH_(2)COOH gt CNCH_(2)COOH gt ClCH_(2)COOH` ANSWER :C

Discussion

19.	The correct bond order in the following specie is :
Answer» `O_(2)^(2+) lt O_(2)^(+) lt O_(2)^(-)` `O_(2)^(2+) lt O_(2)^(-) lt O_(2)^(+)` `O_(2)^(+) lt O_(2)^(-) lt O_(2)^(2+)` `O_(2)^(-) lt O_(2)^(+) lt O_(2)^(2+)` Solution :`O_(2)^(-) lt O_(2)^(+) lt O_(2)^(2+)` ACCORDING to molecular ORBITAL theory (MOT) `"" O_(2)^(-) O_(2)^(+) O_(2)^(2+)` NUMBER of `E^(-)` : 1715 14 Bond order :1.5 2.53.0

Discussion

20.	The correct arrangenment of O, P and N in order of increasing radii is
Answer» <P>O < N < P P LT O lt N O lt P lt N N lt O lt P ANSWER :A

Discussion

21.	Thecorrectarrangementfor theionsin theincreasingorder oftheirradii is
Answer» `Na^(+), C1^(-) , Ca^(2+) ` `Ca^(2+), K^(+), S^(2-)` `Na^(+), A1^(3+),Be^(2+)` `C1^(-) ,F^(-) , S^(2-)` Solution :forisoelectronicions , FOLLOWINGTHE sameargumentas DISCUSSED in`Ca^(2+), K^(+) , S^(2-)` i.e.,OPTION( b) iscorrect.

Discussion

22.	The correct arrangement for decreasing order of electrophilic Substitution reactions of I)Toluene II) Benzene III) Phenol IV) Chlorobenzene
Answer» `I gt II gt III gt IV` `IV gt I gt II gt III` `III gt I gt II gt IV` `II gt IV gt III gt I` Answer :C

Discussion

23.	The correct acidity order of the following is
Answer» `(III) gt (IV) gt (II) gt (I)` `(IV) gt (III) gt (I) gt (II)` `(III) gt (II) gt(I) gt (IV)` `(II) gt (III) gt (IV) gt (I)` SOLUTION :A carboxylic acid is stronger acid then phenol, hence both III and IV are stronger ACIDS than both I and II. Also IV has a methyl group that gives electron donating inductive effect and decreases the acid strength. Therefore, III is stronger acid than IV.Between I and II, the DOMINANT electron withdrawing inductive effect of chlorine increases acid strength of phenol slightly, hence II is stronger acid than I. THUS, the overall order is : (A) `III gt IV gt II gt I`.

Discussion

24.	The correct acidic order of the following is
Answer» `I GT II gt III` `III gt I gt II` `II gt III gt I` `I gt III gt II` SOLUTION :p-Nitrophenol (III) `gt` PHENOL (I) `gt` p-Cresol (II)

Discussion

25.	The coordination number of each sphere in hexagonal close packing is ______ while that of body-centred cubic packing is _______
Answer» ANSWER :12,8

Discussion

26.	The coordination number of CI^- ion in NaCL structure is ______________whereas that in CsCl structure _____________
Answer» ANSWER :6,8

Discussion

27.	The coordination number of cation and anion in Fluorite CaF_(2) and Zinc blende ZnS are respectively x : y and a : b. Find (x + y + a + b)
Answer» ANSWER :`20 = (8 + 4 + 4 + 4 )`

Discussion

28.	The coordination number of Al in the crystalline state of AlCl_3 is
Answer» Solution :At low temperature , `AlCl_3` EXISTS as a close packed lattice of `Cl^-` ions with `AL^(3+)` ions occupying octahedral voids. Thus, `Al^(3+)` ions `Cl^-` ions AROUND it . Hence, its coordination number is 6.

Discussion

29.	The coordination number of a tetrahedral void is _________ while that of an octahedral void is _________
Answer» ANSWER :4,6

Discussion

30.	The coordination number of Alin the crystalline ofAlCl_(3) is
Answer» SOLUTION :At low temperature . `AlCl_(3)`EXISTS as a CLOSE paked lattice of ` Cl^(-)` ions with ` Al^(3+)`ions occupying octahedral VOIDS. Thus, ` Al^(3+)`ions has 6 `Cl^(-)` ions AROUND it. Hence, its corrdination number is 6.

Discussion

31.	The coordinate of the three corners of a shaded face on a cubic unit cell are(1/2 , 1/2 ,1) , ( 0,1, 1/2) and ( 1,1, 1/2) as shown in the figure. Determine the Miller indices of the plane.
Answer» SOLUTION :The intercepts of the shaded plane with the AXES are ` oo, ` 2b and 2 C respecitvely , WEISS indices are ` oo`2,2,. Reciprocals of We3iss indices ar ` 1/oo, 1/2 , 1/2 or 0, 1/2 ,1/2` or expressed.

Discussion

32.	The cooling caused by the expansion of a compressed gas below its inversion temperature without doing external work is called
Answer» JOULE Thomson effect Aciabatic DEMAGNETISATION Tyndall effect Compton effect SOLUTION :Cooling by expansion `implies J- T ` effect .

Discussion

33.	The conversion KMnO_(4)rarrK_(2)MnO_(4) is an example of
Answer» OXIDATION HALF reaction REDUCTION half reaction oxidation and reduction nither oxidation nor reduction ANSWER :B

Discussion

34.	The conversion of fresh precipitate to colloidal state is called peptization. (r) It is caused by addition of common ions.
Answer» IF both (A) and (R) are correct and (r) is the correct EXPLANATION for (a). If both (a) and (r) are correct but (r) is not the correct explanation for (a). IF (a) is correct but (r) is incorrect. If (a) is incorrect but (r) is correct. ANSWER :B

Discussion

35.	The conversion of ethylene to ethyne involves
Answer» `Br_(2)` treatment FOLLOWED by AQUEOUS KOH reaction <BR>ALCOHOLIC KOH treatment followed by `Br_(2)` reaction `Br_(2)` treatment followed by alcoholic KOH reaction Oxidation followed by reduction Answer :C

Discussion

36.	The conversion of ethylene to ethyl alcohol is known as
Answer» a)ELIMINATION B)Substitution c)Hydrogenation d)Hydration Answer :D

Discussion

37.	The conversion of -COOH group to -NH_(2) group can be made by :
Answer» SANDMEYER's REACTION Claisen condensation Stephens reduction Schmidt reaction Solution :SEE reaction of ACIDS

Discussion

38.	The conversion of chlorobenzene to phenol by the action of NaOH is called ……………….. .
Answer» SOLUTION :Dow.s PROCESS

Discussion

39.	The conversion of CH_(3)OH into CH_(3)COOH can be brought about by the following reagents
Answer» `K_(2)Cr_(2)O_(7)//H^(+)` `CO + RH` `KMnO_(4)` `H_(3)PO_(4)` Solution :`CH_(3)OH + CO overset("Rh catalyst")rarr CH_(3)COOH`

Discussion

40.	The conversion of bromoalkane to fluroalkane by heating with AgF is called ………………….. .
Answer» SOLUTION :SWARTZ REACTION

Discussion

41.	The conversion of benzene diazonium chloride to chlorobenzene in the presence of Cu_2Cl_2 + HCl is named as ………………….. .
Answer» SOLUTION :SANDMEYER REACTION

Discussion

42.	The conversion of atomic hydrogen to dihydrogen is a ______________ change.
Answer» endothermic exothermic photochemical nuclear Answer :B

Discussion

43.	The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye.Which of the following cannot undergo intramolecular cannizzaro reaction ?
Answer» `H-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-H` `H-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` `Ph-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` All Solution :STEP II is rate determing step. Iosn with more electron DENSITY arebetter hybride donors. In`PH-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` ALDEHYDIC - Hisabsent

Discussion

44.	The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye. Write order of best hydride ion donar in cannizzaro reaction
Answer» III gt IIgt IV gt I II gt IV gtIII gt I IIgt III gt I gt IV III gt I gt II gt IV Solution :Step II is rate determing step. Iosn with more ELECTRON density arebetter HYBRIDE donors. In`PH-underset(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` ALDEHYDIC - Hisabsent

Discussion

45.	The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye.Order of the above reaction is
Answer» 1 2 3 4 Solution :Step II is rate determing step. Iosn with more electron DENSITY arebetter hybride donors. In`PH-UNDERSET(O)underset(\|\|)(C)-underset(O)underset(\|\|)(C)-Ph` Aldehydic - Hisabsent

Discussion

46.	The conversion of a keto form into enol is enolisation. It depends on structural factor, temperature and nature of solvent. Resonance and hydrogen bonding increases enol content. Enolic form of phenol is more stable than keto form by-13 kcal/mol of energy hence phenol exist exclusively as an enol. Enolic tautomer is less polar due to intramolecular hydrogen bonds than the corresponding keto form. Any polar solvent would decrease the enolisation and fovour keto form intramolecular hydrogen bonding stabilized enol form by 7kcal/mol and resonance stabilizes enol form by 15 kcal/mole The enol content of ethyl acetoacetate is highest in
Answer» WATER acetic acid ethanol hexane Solution :Water FACILITATE HYDROGEN BONDING.

Discussion

47.	The conversion of a keto form into enol is enolisation. It depends on structural factor, temperature and nature of solvent. Resonance and hydrogen bonding increases enol content. Enolic form of phenol is more stable than keto form by-13 kcal/mol of energy hence phenol exist exclusively as an enol. Enolic tautomer is less polar due to intramolecular hydrogen bonds than the corresponding keto form. Any polar solvent would decrease the enolisation and fovour keto form intramolecular hydrogen bonding stabilized enol form by 7kcal/mol and resonance stabilizes enol form by 15 kcal/mole Ketonic form predominates in
Answer» `CH_(3)-CO-CH_(3)` `C_(6)H_(5)COCH_(2)COCH_(3)` `CH_(3)-CO-CH_(2)-COCH_(3)` `CH_(3)COCH_(2)COOC_(2)H_(5)` SOLUTION :Compound A has less percentage of enol.

Discussion

48.	The conversion can be performed suitable by
Answer» I) `BH_3 - THF` II) `H_2O_2 , OH^(-)` I) HBR PEROXIDE II) `OH^(-)` I) `Cl_2,H_2O` II) `LiAlH_4` I) HBr II) `OH^(-)` SOLUTION :a) I. `BH_3 - THF`II. `H_2O_2 , OH^(-)` B) I. Hbr peroxideII. `OH^(-)`

Discussion

49.	Tin contains only 5 - 10 % of tin as SnO_(2), the rest being Siliceous matter, wolfram and pyrites of iron copper and arsenic. It is not attached by water. Only molten tin reacts with steam liberating hydrogen. In stannous oxide, tin is +2 oxidising state. So stannous oxide is also described as tin (II) oxide Which of the following ionic species is more stable
Answer» `Sn^(+2)` `Sn^(+4)` `Ge^(+2)` `Pb^(+4)` SOLUTION :Down the group lowest oxidation state is more STABLE. Due to inert pair EFFECT, `Sn^(+2) gt Sn^(+4)`

Discussion

50.	Tin contains only 5 - 10 % of tin as SnO_(2), the rest being Siliceous matter, wolfram and pyrites of iron copper and arsenic. It is not attached by water. Only molten tin reacts with steam liberating hydrogen. In stannous oxide, tin is +2 oxidising state. So stannous oxide is also described as tin (II) oxide Tin is attacked by
Answer» Hot KOH Hot HCl Conc. `HNO_(3)` All of these Solution :`SN+ 2KOH +H_(2)O RARR K_(2) SO_(3) + 2H_(2)` `Sn+ 2HCl rarr SnCl_(2) +H_(2)` `4Sn+ 4HNO_(3) rarr H_(2)SnO_(3) + 4NO_(2) + H_(2)O`

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

The correct equation for the degree of an associating solute, 'n' molecules of which undergoes association in solution, is ………….

The correct electronic configuration of Ti (Z=22) atom is

The correct electronic configuration of alkaline earth metal is_________

The correct electronic configuration of ._(29)Cu^(2+) is

The correct differential form of van't Hoff equation is ………….

The incorrect electronic arrangment is

The correct descending order of the heat liberated (in kJ) during the neutralization of the acids CH_(3)C O O H(W),HF(X), HCO OH (Y) and HCN(Z) under indentical conditions (K_(a) " of" CH_(3) CO OH = 1.8 xx 10^(-5), HCO OH = 1.8 xx 10^(-4), HCN = 4.9 xx 10^(-10)and HF = 3.2 xx 10^(-4)) is

The correct decreasing order of stability of I,II and III carbocations is: (I) CH_(3)-overset(+)(C)H-CH_(3) (II) CH_(3)-overset(+)(C)H-COCH_(3) (III) CH_(3)-overset(+)(C)H-OCH_(3)

The correct descending order of the heat librated (in kJ) during the neutralisation of the acids CH_(3)COOH(W), HF(X), HCOOH(Y) AND HCN(Z) under identical conditions (K_(a) of CH_(3)COOH = 1.8 xx 10^(-5), HCOOH = 1.8xx 10^(-4), HCN = 4.9 xx 10^(-10) and HF = 3.2 xx 10^(-4)) is

The correct decreasing order of surface tension for water , ethanol and n - hexane is

The correct descending order of solubility of sulphate salts of alkaline earth metals in water is...

The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is…….

The correct decreasing order of priority for the functional groups of organic compounds in the IUPACsystem of nomenclature is

The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is

The correctdecreasingorder of firstionizationenthalpiesof fiveelementsof thesecondperiodis

The correct decreasing order of ease of acid catalysed estrification is :

The correct decreasing order for the function groups of organic compounds in the IUPAC system of nomenclature is

The correct decreasing order for acid strength is :

The correct bond order in the following specie is :

The correct arrangenment of O, P and N in order of increasing radii is

Thecorrectarrangementfor theionsin theincreasingorder oftheirradii is

The correct arrangement for decreasing order of electrophilic Substitution reactions of I)Toluene II) Benzene III) Phenol IV) Chlorobenzene

The correct acidity order of the following is

The correct acidic order of the following is

The coordination number of each sphere in hexagonal close packing is ______ while that of body-centred cubic packing is _______

The coordination number of CI^- ion in NaCL structure is ______________whereas that in CsCl structure _____________

The coordination number of cation and anion in Fluorite CaF_(2) and Zinc blende ZnS are respectively x : y and a : b. Find (x + y + a + b)

The coordination number of Al in the crystalline state of AlCl_3 is

The coordination number of a tetrahedral void is _________ while that of an octahedral void is _________

The coordination number of Alin the crystalline ofAlCl_(3) is

The coordinate of the three corners of a shaded face on a cubic unit cell are(1/2 , 1/2 ,1) , ( 0,1, 1/2) and ( 1,1, 1/2) as shown in the figure. Determine the Miller indices of the plane.

The cooling caused by the expansion of a compressed gas below its inversion temperature without doing external work is called

The conversion KMnO_(4)rarrK_(2)MnO_(4) is an example of

The conversion of fresh precipitate to colloidal state is called peptization. (r) It is caused by addition of common ions.

The conversion of ethylene to ethyne involves

The conversion of ethylene to ethyl alcohol is known as

The conversion of -COOH group to -NH_(2) group can be made by :

The conversion of chlorobenzene to phenol by the action of NaOH is called ……………….. .

The conversion of CH_(3)OH into CH_(3)COOH can be brought about by the following reagents

The conversion of bromoalkane to fluroalkane by heating with AgF is called ………………….. .

The conversion of benzene diazonium chloride to chlorobenzene in the presence of Cu_2Cl_2 + HCl is named as ………………….. .

The conversion of atomic hydrogen to dihydrogen is a ______________ change.

The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye.Which of the following cannot undergo intramolecular cannizzaro reaction ?

The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye. Write order of best hydride ion donar in cannizzaro reaction

The conversion of aldehyde having no alpha hydrogen to a mixture of carbonylc acid and primary alcohol is known as cannizzaro reaction. The most important features of this reaction is the conjugate base of hydrate of aldehye.Order of the above reaction is

The conversion can be performed suitable by

The coordination number of each sphere in hexagonal close packing is while that of body-centred cubic packing is _

The coordination number of CI^- ion in NaCL structure is __whereas that in CsCl structure _

The coordination number of a tetrahedral void is _ while that of an octahedral void is _