52671 + Interview Questions in Chemistry in Class 11

1.	The major product of the following reaction is
Answer» ANSWER :C

Discussion

2.	The major product of the following reaction is
Answer» ANSWER :B

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3.	The major product of the following reaction is
Answer» ANSWER :A

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4.	The major product of the following reaction is
Answer» ANSWER :A::B::C::D

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5.	The major product of the following reaction is
Answer» ANSWER :A

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6.	The major product of the following reaction is
Answer» ANSWER :B

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7.	The major product of the following reaction is
Answer» ANSWER :D

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8.	The major product of the following reaction is
Answer» a hemiacetal an acetal an ether an ester Answer :B

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9.	The major product of the following reaction is:
Answer» SOLUTION :N//A

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10.	The major product of the following reaction is:
Answer» SOLUTION :N//A

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11.	The major product of the following reaction is
Answer» SOLUTION :N//A

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12.	The major product of the following reaction is :
Answer» ANSWER :C

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13.	The major product of the following reaction is :
Answer» ANSWER :C

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14.	The major product of the following reaction is :
Answer» ANSWER :B

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15.	The major product of the following reaction is :
Answer» ANSWER :C

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16.	The major product of the following reaction is :
Answer» `CH_3CH_2undersetunderset(CO_2CH_2CH_3)(\|)C =CH_2` ANSWER :B

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17.	The major product of the following reaction is :
Answer» ANSWER :A

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18.	The major product of the following reaction is :
Answer» ANSWER :D

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19.	The major product of the following reaction is :
Answer» SOLUTION :N//A

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20.	The major product of the following reaction is : CH_(3)CH=CHCO_(2)CH_(3)overset(LiAlH_(4))rarr
Answer» `CH_3CH_2CH_2CO_2CH_3` `CH_3CH_2CH_2CH_2OH` `CH_3CH = CHCH_2OH` `CH_3CH_2CH_2CHO` ANSWER :C

Discussion

21.	The major product of the following reaction:
Answer» SOLUTION :N//A

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22.	The major product of the following reaction:
Answer» SOLUTION :N//A

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23.	The major product of the above reaction is obtained by mechanism
Answer» `S_N2` `E2` E1CB `S_N1` SOLUTION :

Discussion

24.	The major product of following reaction is:R-C-=N underset((2) H_(2)O)overset((1) AIH-Br_(2))rarr ?
Answer» `RCONH_(2)` `RCH_(2)NH_(2)` RCHO RCOOH Answer :C

Discussion

25.	The major product of nitration of Benzoic acid is
Answer» 3-Nitrobenzoic acid 4-Nitrobenzoic acid 2-Nitrobenzoic acid 2, 4-Dinitrobenzoic acid Solution : `-COOH` GROUP is `m-` DIRECTING.

Discussion

26.	The major product of monobromination of the given compound with Br_2//Fe is :-
Answer» ANSWER :A

Discussion

27.	The major product obtained on acid-catalysed hydration of 2-phenylpropane is
Answer» 2-Phenylpropan-2-ol 2-Phenylpropan-1-ol 3-Phenylpropan-2-ol 1-Phenylpropan-1-ol Answer :A

Discussion

28.	The major product obtained in the photo catalyzed bromination of 2-methylbutane is :
Answer» 1-bromo-2-methylbutane 1-bromo-3-methylbutane 2-bromo-3-methylbutane 2-bromo-2-methylbutane Answer :D

Discussion

29.	The major product obtained in the following reaction is :
Answer» ANSWER :D

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30.	The major product obtained in the photo-catalysed bromination of 2-methylbutane is
Answer» 2-bromo-2-methylbutane 2-bromo-3-methylbutane 1-bromo -2-methylbutane 1-bromo-3-methylbutane SOLUTION :2-bromo-2-methylbutane

Discussion

31.	The major product obtained in the following reaction is :
Answer» ANSWER :A

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32.	The major product obtained in the following reaction is :
Answer» `C_6H_5CH=CHC_6H_5` `(+)C_6H_5CH(O^(t)BU)CH_2C_6H_5` `(-)C_6H_5CH(O^(t)Bu)CH_2C_6H_5` `(PM)C_6H_5CH(O^t Bu)CH_2C_6H_5` ANSWER :A

Discussion

33.	The major product obtained in the following conversion is :
Answer» ANSWER :B

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34.	The major product obtained by addition reaction of HBr to 4-methylpent-1-ene in the presence of peroxide is
Answer» 1-bromo-4-methylpentane 4-bromo-2-methylpentane 3-bromo-2-methylpentane 2-bromo-2-methylpentane Solution :

Discussion

35.	The major product is
Answer» SOLUTION :N//A

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36.	The major product is
Answer» `Ph-C=C-Ph` `Ph-C-=CH` `Ph-CH=CH_(2)` ANSWER :B

Discussion

37.	The major product in the reaction of N-phenyl-benzamide with Br_(2)//Fe is
Answer» <P> Solution :Due to electron DONATING effect of the `NH` group, bromination occurs at less hindered `p-` POSITION in RING attached to it (i.e., NH group)

Discussion

38.	The major product in the reaction of benzene with n-propyl chloride in the presence of anhydrous AlCl_3
Answer» n-propyl BENZENE ISOPROPYL benzene Toluene Ter.butyl benzene ANSWER :B

Discussion

39.	The major product in the nitration of m-xylene is
Answer» 1-Nitro-2,6-dimethyl BENZENE 1-Nitro-3,5-dimethyl benzene 1,3-Dinitro-4,6-dimethyl benzene 1-Nitro-2,4-dimethyl benzene Solution :In m-xylene, both the methyl GROUPS are oand p-directing. HENCE the MAJOR PRODUCT is 1-nitro-2, 4-dimethyl benzene

Discussion

40.	The major product in the following reaction is
Answer» ANSWER :A

Discussion

41.	The major product in the following conversion is :
Answer» ANSWER :A

Discussion

42.	The major product formed when 2 bromomethylbutane refluxed with ethanolic KOH is ……..
Answer» 2-methylbut -2-ene 2-methylbutan -1-ol 2-methyl but -1-ene 2-methylbutan -2-ol ANSWER :a

Discussion

43.	The major product formed when 2-bromo-2-methylbutane is refluxed with ethanolic KOH is
Answer» 2-methylbut-2-ene 2-methylbutan-1-ol 3-methylbutan-2-ol 2-methylbutan-2-ol Solution :`underset("2-Bromo-2-methylbutane")(CH_(3)-CH_(2)-underset(Br)underset(\|)OVERSET(CH_(3))overset(\|)C-CH_(3)) underset(DELTA)overset(alc. KOH)to underset(underset("(Major)")("2-Methylbut-2-ene"))(CH_(3)CH=overset(CH_(3))overset(\|)C CH_(3))+ underset(underset("(Minor)")("2-Methylbut-1-ene"))(CH_(3)CH_(2)overset(CH_(3))overset(\|)C=CH_(2))`

Discussion

44.	The major product formed upon addition of 1 mole of HBr in the following reaction is :
Answer» ANSWER :B

Discussion

45.	The major product formed in the reaction is :
Answer» ANSWER :B

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46.	The major product formed in the reaction given below will be:
Answer» SOLUTION :N//A

Discussion

47.	The major product formed in the hydroboration oxidation reaction of (CH_(3))_(2)C=CH-CH_(3) is
Answer» `CH_(3)-underset(CH_(3))underset("\|")"CH"-overset(OH)overset("\|")"CH"-CH_(3)` `CH_(3)-overset(OH)overset("\|")underset(CH_(3))underset("\|")"C "-CH_(2)-CH_(3)` `CH_(3)-overset(OH)overset("\|")underset(CH_(3))underset("\|")"C "-CH=CH_(2)` ANSWER :A

Discussion

48.	The major product formed in the following reactions is :
Answer» ANSWER :D

Discussion

49.	The major product formed in the following reactions is :
Answer» ANSWER :C

Discussion

50.	The major product formed in the following reaction is
Answer» Solution :In oxymercuration demercuration reaction, the product FORMED is same as in case of acid catalysed addition of WATER to carbon-carbon double bond but it is without any rearrangement. It is believed to be due to the formation of cyclic mercurim ION which do not ALLOW any rearrangement. However, the final product formed corresponds to the most stable intermediate carbocation.

Discussion

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The major product of the following reaction is

The major product of the following reaction is

The major product of the following reaction is

The major product of the following reaction is

The major product of the following reaction is

The major product of the following reaction is

The major product of the following reaction is

The major product of the following reaction is

The major product of the following reaction is:

The major product of the following reaction is:

The major product of the following reaction is

The major product of the following reaction is :

The major product of the following reaction is :

The major product of the following reaction is :

The major product of the following reaction is :

The major product of the following reaction is :

The major product of the following reaction is :

The major product of the following reaction is :

The major product of the following reaction is :

The major product of the following reaction is : CH_(3)CH=CHCO_(2)CH_(3)overset(LiAlH_(4))rarr

The major product of the following reaction:

The major product of the following reaction:

The major product of the above reaction is obtained by mechanism

The major product of following reaction is:R-C-=N underset((2) H_(2)O)overset((1) AIH-Br_(2))rarr ?

The major product of nitration of Benzoic acid is

The major product of monobromination of the given compound with Br_2//Fe is :-

The major product obtained on acid-catalysed hydration of 2-phenylpropane is

The major product obtained in the photo catalyzed bromination of 2-methylbutane is :

The major product obtained in the following reaction is :

The major product obtained in the photo-catalysed bromination of 2-methylbutane is

The major product obtained in the following reaction is :

The major product obtained in the following reaction is :

The major product obtained in the following conversion is :

The major product obtained by addition reaction of HBr to 4-methylpent-1-ene in the presence of peroxide is

The major product is

The major product is

The major product in the reaction of N-phenyl-benzamide with Br_(2)//Fe is

The major product in the reaction of benzene with n-propyl chloride in the presence of anhydrous AlCl_3

The major product in the nitration of m-xylene is

The major product in the following reaction is

The major product in the following conversion is :

The major product formed when 2 bromomethylbutane refluxed with ethanolic KOH is ……..

The major product formed when 2-bromo-2-methylbutane is refluxed with ethanolic KOH is

The major product formed upon addition of 1 mole of HBr in the following reaction is :

The major product formed in the reaction is :

The major product formed in the reaction given below will be:

The major product formed in the hydroboration oxidation reaction of (CH_(3))_(2)C=CH-CH_(3) is

The major product formed in the following reactions is :

The major product formed in the following reactions is :

The major product formed in the following reaction is