BHU PMT BHU PMT (Mains) Solved Paper-2011

  • question_answer

    Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:

    The rate of law for the reaction\[RCl+NaOH\xrightarrow{{}}ROH+NaCl\]is given by rate\[=k[RCl]\]. The rate of this reaction (1) is doubled by doubling the concentration of\[NaOH\] (2) is halved by reducing the concentration of \[RCl\]by one half (3) is unaffected by change in temperature (4) is increased by increasing the temperature of the reaction

    A)  1, 2 and 3 are correct

    B)  1 and 2 are correct

    C)  2 and 4 are correct

    D)  1 and 3 are correct

    Correct Answer: C

    Solution :

                      Rate\[=k[RCl]\] Hence, the rate is halved by reducing the concentration of\[RCl\]by one half. The rate of reaction  increases  with  increasing  the temperature of the reaction.


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