NEET Chemistry Solutions / विलयन Question Bank Self Evaluation Test - Solutions

  • question_answer
    Assuming degree of ionization to be unity in each case, which of the following equimolal solutions would freeze at the lowest temperature?

    A) \[[Pt{{(N{{H}_{3}})}_{6}}]C{{l}_{4}}\]          

    B) \[[Pt{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{3}}\]

    C) \[[Pt{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]C{{l}_{2}}\]

    D) \[[Pt{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]Cl\]

    Correct Answer: A

    Solution :

    [a] \[\left[ Pt{{\left( N{{H}_{3}} \right)}_{6}} \right]C{{l}_{4}}\to {{\left[ Pt{{\left( N{{H}_{3}} \right)}_{6}} \right]}^{4+}}+4C{{l}^{-}};\] \[i=1+4=5\](maximum)


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