Q.

The reaction 2A+B2→2AB is an elementary reaction. For a certain quantity of reactants, if the volume of reaction vessel is reduced by a factor of 3, the rate of the reaction increases by a factor of ______

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answer is 27.

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Detailed Solution

rate =KA2B2Volume of vessel decreases 3 times i.e concentration increases 3 times∴rate=K3A23B2=27KA2B2
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