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Which one of the following amines gives an N-nitrosoamine on treatment with nitrous acid, H N O...

Question:

Which one of the following amines gives an N-nitrosoamine on treatment with nitrous acid, {eq}HNO_2 {/eq}?

A) 2,4-dimethylaniline

B) 3,5-dimethyaniline

C) N,4-dimethylaniline

D) N,N-dimethylaniline

Amines:

The amines are the examples of functional group which has the chemical formula of {eq}{\rm{ - N}}{{\rm{H}}_{\rm{2}}} {/eq}. The degree of amine depends upon the alkyl group's number connected to the amino group. Primary amines have one alkyl group, secondary amines have 2 alkyl groups and the tertiary group has 3 alkyl groups connected to the amino nitrogen atom.

Answer and Explanation: 1

N-nitrosamine is prepared by the reaction of secondary amines with nitrous acid. Out of all the given options, only amine present in option (C) i.e., N,4-dimethylaniline is an example of secondary amines. The complete chemical reaction for the formation of N-nitrosamine is given below.

Hence, the option C) N,4-Dimethylanilineis the correct answer


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Aniline: Structure, Formula & Uses

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Chapter 18 / Lesson 14
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Did you know that a chemical compound called aniline is necessary for the indigo color of our jeans? It is used in several other areas as well. In this lesson, we will learn all about the structure, formula, and uses of aniline.


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