CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2005

  • question_answer
    The carbide which reacts with water to form ethyne is:

    A) \[Ca{{C}_{2}}\]                                 

    B) \[SiC\]

    C) \[M{{g}_{2}}{{C}_{3}}\]                

    D)        \[A{{l}_{4}}{{C}_{3}}\]

    E) \[B{{e}_{2}}C\]

    Correct Answer: A

    Solution :

    \[Ca{{C}_{2}}+2{{H}_{2}}O\xrightarrow[{}]{{}}Ca{{(OH)}_{2}}+\underset{ethyne}{\mathop{HC\equiv CH}}\,\]


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