Q40 / 160 · AP EAMCET 2018 (25 Apr Shift 1) · Chemistry

The amine which does not react with chloroform and ethanolic potassium hydroxide is

  • Correct answer
    A
    Figure
  • B
    C6H5-NH2
  • C
    Figure
  • D
    Figure

Solution

The carbylamine reaction (also known as Hoffmann isocyanide synthesis) is a synthesis of an isocyanide by the reaction of a primary amine, chloroform and a base (ethanolic potassium hydroxide). If a primary amine is present, the isocyanide is formed, which are foul-smelling substances.

Only primary amines give carbylamine test and secondary, tertiary amines do not give this test.

Hence, the correct answer is option: 'A'.

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