When the concentration of the reactants increases, the rate of reaction will.

decrease

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increase

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remains constant

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Solution

The correct option is B increase

An increase in the concentration of the reacting substances results in an increase in the rate of the reaction.

When more molecules are present in a smaller volume, the chances of collision are greater.

Since the rate of the reaction is dependent on the number of collisions occuring between the reactants, the rate increases as the concentration increases.

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A

\to

B

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4 \times 10^{- 6}

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m o l e L^{- 1}

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^{- 1}

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^{- 1}

What happens to the rate of a reaction when the concentration of reactant is increased?

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