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MHT CET 202622 AprilEvening Shift
Exam
MHT CET
Year
2026
Date
22 April
Shift
Evening Shift
Subject
Chemistry
Chapter
Amines

MHT CET 2026 · 22 April · Evening Shift · Chemistry · Amines

What is the number of -NH_2 groups present in hexamethylenediamine?

What is the number of −NH2-\text{NH}_2 groups present in hexamethylenediamine?

Options

  1. Afive
  2. Btwo
  3. Cthree
  4. Dsix

Correct answer

B. two

Step-by-step solution

The chemical formula of hexamethylenediamine is H2N−(CH2)6−NH2\text{H}_2\text{N}-(\text{CH}_2)_6-\text{NH}_2.

It consists of a hexamethylene chain (−CH2−)6(-\text{CH}_2-)_{6} terminated by amine groups (−NH2)(-\text{NH}_2) at both ends.

Therefore, the number of −NH2-\text{NH}_2 groups present in hexamethylenediamine is two.

Answer: two
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