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DUMET Medical DUMET Medical Solved Paper-2011

  • question_answer
    Given exothermic reaction \[CoCl_{4}^{2-}(aq)+6{{H}_{2}}O(l){{[Co{{({{H}_{2}}O)}_{6}}]}^{2+}}\]\[+4C{{l}^{-}}\] Which one of the following will decrease the equilibrium concentration of \[CoCl_{4}^{2-}\]?

    A)  Addition of \[HCl\]

    B)  Addition of \[Co{{(N{{O}_{3}})}_{2}}\]

    C)  The solution is diluted with water

    D)  The temperature is increased

    Correct Answer: C

    Solution :

    Here water is a reactant, so increase in concentration of reactant shifts the equilibrium in the forward direction and more concentration of \[{{[CoC{{l}_{4}}]}^{2-}}\] will be consumed.


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