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Question

The rate of a chemical reaction is:

A
inversely proportional to the concentration of the reactants at that time
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B
directly proportional to the concentration of the reactants at that time
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C
directly proportional to the concentration of the products at that time
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D
none of the above
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Solution

The correct option is B directly proportional to the concentration of the reactants at that time
According to the law of mass action, the rate of a chemical reaction at a constant temperature depends only on the concentrations of the substances that influence the rate.
More the concentration of reactants, higher is the rate.

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