JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Sample Paper Topic Test - Chemical Equilibrium

  • question_answer
    If 1.0 mol of \[{{I}_{2}}\] is introduced in a 1.0 L flask at 1000 K \[({{K}_{c}}={{10}^{-6}}),\] which one is correct?

    A) \[\left[ {{I}_{2(g)}} \right]>\left[ I_{(g)}^{-} \right]\]

    B) \[\left[ {{I}_{2(g)}} \right]<\left[ I_{(g)}^{-} \right]\]

    C) \[\left[ {{I}_{2(g)}} \right]=\left[ I_{(g)}^{-} \right]\]

    D) \[\left[ {{I}_{2(g)}} \right]=1/2\left[ I_{(g)}^{-} \right]\]

    Correct Answer: A

    Solution :

    [a] \[{{I}_{2}}\rightleftharpoons 2{{I}^{-}}\] \[{{K}_{c}}={{10}^{-6}}=\frac{4{{x}^{2}}}{\left( 1-x \right)}\] Find x and see \[2x<\left( 1-x \right)\].


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