JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Colligative properties of electrolyte

  • question_answer
    Which of the following has minimum freezing point [Pb. PMT 1999]

    A)                 \[0.1M\]\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]  

    B)                 0.1 M \[N{{H}_{4}}Cl\]

    C)                 0.1 M \[BaS{{O}_{4}}\]     

    D)             0.1 M \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]

    Correct Answer: D

    Solution :

                We know that lowering of freezing point is a colligative property which is directly proportional to the number of particles formed by one mole of  compound therefore 0.1M \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\] solution will have minimum freezing point.


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