NEET Chemistry Equilibrium / साम्यावस्था Question Bank Question - Assertion & Reason

  • question_answer
    Assertion: Equilibrium constant has meaning only when the corresponding balanced chemical equation is given.
    Reason: Its value changes for the new equation obtained by multiplying or dividing the original equation by a number.  
    Read the assertion and reason carefully to mark the correct option out of the options given below:

    A) If both assertion and reason are true and the reason is the correct explanation of the assertion.

    B) If both assertion and reason are true but reason is not the correct explanation of the assertion.

    C) If assertion is true but reason is false.

    D) If the assertion and reason both are false.

    E) If assertion is false but reason is true.

    Correct Answer: A

    Solution :

    [a] \[aA+bB\] ⇌ \[cC+dD\] \[{{K}_{C}}=\frac{{{\left[ C \right]}^{C}}{{\left[ D \right]}^{d}}}{{{\left[ A \right]}^{a}}{{\left[ B \right]}^{b}}}\] For \[2aA+2bB\] ⇌ \[2cC+2dD\] \[{{K}_{C}}=\frac{{{\left[ C \right]}^{2c}}{{\left[ D \right]}^{2d}}}{{{\left[ A \right]}^{2a}}{{\left[ B \right]}^{2b}}}\].


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