CMC Medical CMC-Medical VELLORE Solved Paper-2007

  • question_answer
    Which of the following liberates methane on treatment with water?

    A)  Silicon carbide

    B)  Calcium carbide

    C)  Beryllium carbide

    D)  Magnesium carbide

    Correct Answer: C

    Solution :

                    Beryllium carbide gives \[C{{H}_{4}},\]magnesium carbide and calcium carbide give acetylene\[({{C}_{2}}{{H}_{2}})\] while silicon carbide being co-valent does not undergo hydrolysis.


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