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MHT CET Medical202624 April 2026Morning ShiftChemistryAminesActual

Which of the following amines has imino functional group?

Options

  1. AEthyl amine
  2. BTrimethyl amine
  3. CDimethyl amine
  4. DAniline

Correct answer

C. Dimethyl amine

Step-by-step solution

Primary amines contain an amino group ( -NH₂ ). Secondary amines contain an imino group ( >NH ). Tertiary amines contain a tertiary nitrogen atom ( >N- ). Ethyl amine ( CH₃CH₂NH₂ ) is a primary amine. Trimethyl amine ( (CH₃)₃N ) is a tertiary amine. Dimethyl amine ( (CH₃)₂NH ) is a secondary amine, hence it contains an imino group. Aniline ( C₆H₅NH₂ ) is a primary amine. Answer: Dimethyl amine

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