JCECE Engineering JCECE Engineering Solved Paper-2015

  • question_answer
    Phosgene can be obtained when

    A)  white phophorus reacts with alkali

    B)  calcium phosphide reacts with water

    C)  chloroform reacts with air

    D)  bone comes in contact with water

    Correct Answer: C

    Solution :

    When chloroform reacts with air, it gives phosgene.                 \[CHC{{l}_{3}}+{{O}_{2}}\xrightarrow{{}}\underset{Phosgene}{\mathop{COC{{l}_{2}}}}\,+HCl\]


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