JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank Properties of alcohol Phenol and Ethers

  • question_answer
    Carbylamine test is done by heating alcoholic KOH with [IIT-JEE 1984; BIT 1992; CBSE PMT 1992]

    A)                 Chloroform and silver powder

    B)                 Trihalogen methane and primary amine

    C)                 Alkyl halide and primary amine

    D)                 Alkyl cyanide and primary amine

    Correct Answer: B

    Solution :

               Carbylamine reaction                                 \[CHC{{l}_{3}}+C{{H}_{3}}N{{H}_{2}}+\underset{\text{alc}\text{.}}{\mathop{3KOH}}\,\to \underset{\begin{smallmatrix}  \text{Methyl } \\  \text{isocyanide} \end{smallmatrix}}{\mathop{C{{H}_{3}}N\vec{=}}}\,\underset{{}}{\mathop{C+3KCl+3{{H}_{2}}O}}\,\]


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