Subject

Chemistry

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

41.

The following reaction, 


is known by the name

  • Friedel -Crafts reaction

  • Perkins reaction

  • Acetylation reaction

  • Acetylation reaction


D.

Acetylation reaction

Schotten- Baumann reaction is a method to synthesise amides from amines and acid chlorides.

935 Views

42.

The oxidation of benzene by V2O5 in the presence of air produces

  • benzoic anhydride

  • maleic anhydride

  • benzoic acid

  • benzoic acid


B.

maleic anhydride

2621 Views

43.

2,3 -dimethyl - 2- butene can be prepared by heating which of the following compounds with a strong acid?

  • (CH3)2CH-CH(CH)3-CH=CH2

  • (CH3)3C-CH=CH2

  • (CH3)2C =CH-CH2-CH3

  • (CH3)2C =CH-CH2-CH3


B.

(CH3)3C-CH=CH2

1003 Views

44.

In the reaction with HCl, an alkene reacts in accordance with the markownikoff's rule, to give a product 1-chloro -1- methylcyclohexane. The possible alkane is 

  • (a) and (b)

  • (a) and (b)


C.

(a) and (b)

For structure A



For structure B,

There is a rearrangement of carbocation occur because 3o carbocation is more stable than 2o- carbocation.

1344 Views

45.

Caprolactam is used for the manufacture of 

  • nylon - 6

  • Teflon

  • terylene

  • terylene


A.

nylon - 6

613 Views