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KVPY Sample Paper KVPY Stream-SX Model Paper-11

  • question_answer
    A solution of 0.2 mole Kl \[(\alpha =100%)\] in 1000 g water freezes at \[{{T}_{1}}^{0}C.\] Now to this solution 0.1 mole \[Hg{{I}_{2}}\] added and the resulting solution freezes at \[{{T}_{2}}^{0}C.\] Which of the following is correct:

    A) \[{{T}_{1}}={{T}_{2}}\]                    

    B) \[{{T}_{1}}>{{T}_{2}}\]

    C) \[{{T}_{1}}<{{T}_{2}}\]                    

    D) can't be say

    Correct Answer: C

    Solution :

    \[2Kl+Hg{{I}_{2}}\to {{K}_{2}}[Hg{{I}_{4}}]\]


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