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MHT CET Medical202622 April 2026Evening ShiftChemistryAminesActual

What is the number of - 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 H ₂ N -( CH ₂)₆- NH ₂ . It consists of a hexamethylene chain (- CH ₂-)₆ terminated by amine groups (- NH ₂) at both ends. Therefore, the number of - NH ₂ groups present in hexamethylenediamine is two. Answer: two

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