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Amines

Question
CBSEENCH12011053
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Consider the nitration of benzene using mixed conc. H2SO4 and HNO3. If a large amount of KHSO4 is added to the mixture, the rate of nitration will be

  • slower

  • uncharge

  • doubled

  • faster

Solution

A.

slower

IN the nitration of benzene in the presence of conc. H2SO4 and HNO3, benzene is formed.
HNO3 +H2SO4  rightwards harpoon over leftwards harpoon space NO subscript 2 superscript plus space plus HSO subscript 4 superscript minus space plus straight H subscript 2 straight O
If a large amount of KHSO4 is added to this mixture more HSO4- ion furnishes and hence the concentration of electrophile decreases, rate of electrophilic aromatic reaction slows down.

Some More Questions From Amines Chapter

Classify the following amines as primary, secondary or tertiary:
(C2H5)2NH

Write structures of different isomeric amines corresponding to the molecular formula C4H11N.

Write IUPAC names of all the isomers.

What type of isomerism is exhibited by different pairs of amines?

How will you convert Benzene into N, N-dimethylaniline?

Arrange the following in increasing order of their basic strength:
C2H5NH2, C6H5NH2, NH3, C6H5CH2NH2 and (C2H5)2NH

Arrange the following in increasing order of their basic strength:
C2H5NH2, (C2H5)2NH, (C2H5)3N, C6H5NH2

Arrange the following in increasing order of their basic strength:
CH3NH2, (CH3)2NH, (CH3)3N, C6H5NH2, C6H5 CH2NH2

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