JEE Main & Advanced Sample Paper JEE Main Sample Paper-26

  • question_answer
    Phosphine is obtained when calcium phosphide reacts with:

    A)  \[{{H}_{2}}O\]                                   

    B)  \[HCl\]

    C)  Both [a] and [b]            

    D)  None

    Correct Answer: C

    Solution :

    \[C{{a}_{3}}{{P}_{2}}+{{H}_{2}}O\xrightarrow{\,}\,3Ca{{(OH)}_{2}}+2P{{H}_{3}}\] \[C{{a}_{3}}{{P}_{2}}+6HCl\xrightarrow{\,}3CaC{{l}_{2}}+2P{{H}_{3}}\]


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