RAJASTHAN PMT Rajasthan - PMT Solved Paper-2007

  • question_answer
    vant Hoff factor of \[Ca{{(N{{O}_{3}})}_{2}}\] is

    A) one                                       

    B)        two

    C)        three                                    

    D)        four

    Correct Answer: C

    Solution :

    \[C{{(N{{O}_{3}})}_{2}}C{{a}^{2+}}+2NO_{3}^{-}\] It furnishes 3 ions per formula unit. So its cant Hoff factor is 3.


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