Q34 / 170 · Manipal (MET) 2017 · Chemistry

Carbylamine test is performed in alcholic KOH by heating a mixture of

  • A
    chloroform and silver powder
  • Correct answer
    B
    trihalogenated methane and a primary amine
  • C
    an alkyl halide and a primary amine
  • D
    an alkyl cyanide and a primary amine

Solution

Carbylamine test is performed in alcoholic KOH by heating a mixture of trihalogenated methane and a primary amine. $\mathrm{RNH}_2 (primary \quad anime)+\mathrm{CHCl}_2 (chloroform) +3 \mathrm{KOH}$ (alc.) $\xrightarrow{\Delta}$ $R \mathrm{NC} (Alkyl \quad isocyanide) +3 \mathrm{KCl}+3 \mathrm{H}_2 \mathrm{O}$

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

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