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J & K CET Medical J & K - CET Medical Solved Paper-2013

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

    A)  1                     

    B)  2

    C)  3                     

    D)  4

    Correct Answer: C

    Solution :

     \[Ca{{(N{{O}_{3}})}_{2}}\]having vant Hoff factor 3, Because, it dissociates into 3 ions as \[Ca{{(N{{O}_{3}})}_{2}}\xrightarrow[{}]{{}}C{{a}^{2+}}+2NO_{3}^{-},\] So, \[i=3\]


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