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Trimethylamine acts as a Lewis base and reacts with BF 3 (A Lewis acid), while triphenylamine does not react with BF 3 because the electron pair of N needed to react with B is delocalised to three benzene rings.

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Amines

Short Answer Type

111.

Write the structure of the Zwitter ion of sulphanilic acid.

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112.

What happens when n-pentyl nitrite reacts with aniline in the presence of HCl in ice-cold solution?

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113.

Convert aniline into chlorobenzene.

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114.

Write the structures of A and B.

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115.

What is the structure of compound A?
$2 comma space 4 space nitro space benzene rightwards arrow from left parenthesis ii right parenthesis space anisole to left parenthesis straight i right parenthesis space NaNO subscript 2 plus HCl space 0 minus 4 degree straight C of straight A$

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116. How does the formation of 2° and 3° amines can be avoided during the preparation of 1° amine by alkylation?

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117.
Compare the reactions of MeN and Ph₃N with BF_3.

Trimethylamine acts as a Lewis base and reacts with BF₃ (A Lewis acid), while triphenylamine does not react with BF₃ because the electron pair of N needed to react with B is delocalised to three benzene rings.

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