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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Topic Test - Some Basic Concepts of Chemistry (8-5-21)

  • question_answer
    One mole of calcium phosphide on reaction with excess of water gives                                  

    A) One mole of phosphine               

    B) Two moles of phosphoric acid      

    C) Two moles of phosphine             

    D) One mole of phosphorus pentoxide

    Correct Answer: C

    Solution :

    [c] \[C{{a}_{3}}{{P}_{2}}+6{{H}_{2}}O\to 2P{{H}_{3}}+3Ca{{(OH)}_{2}}\]


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