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Chemical Kinetics — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12ChemistryChemical Kinetics2 Marks
Question
How do concentrations of the reactant influence the rate of reaction?
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Answer

The rate of a reaction increases with the increase in the concentration of the reactants. The effect of concentration is explained on the basis of the collision theory of reaction rates.

According to this theory, the rate of a reaction depends upon the number of collisions between the reacting molecules. The higher the concentration, the greater is the possibility for collision and hence the rate.

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