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Methods for Ester Synthesis

Rate law for ...

Question

Rate law for the reaction $A + 2 B \to C$ is found to be 𝑅𝑎𝑡𝑒 $= k [A] [B]$ Concentration of reactant ‘B’ is doubled, keeping the concentration of ‘A’ constant, the value of rate constant will be______.

A

the same

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B

quadrupled

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C

halved

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D

doubled

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Solution

The correct option is A the same
The rate constant of a reaction depends on temperature only, and it does not depend upon concentrations of the reactants. Thus, for the given rate law if the concentration of reactant 'B' is doubled the value of rate constant will not change.

Hence, option (A) is correct.

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Methods for Ester Synthesis

Standard XII Chemistry

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