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The specific rate constant(k) of a first order reaction depends on the:

Option: 1

Time 


Option: 2

Concentration of reactant


Option: 3

Concentration of product


Option: 4

Temperature


Answers (1)

best_answer

We know that on increasing the temperature, the rate of the reaction or rate constant increases.

Generally, on 10oC rise in temperature, the rate constant nearly doubles.

Temperature Coefficient: It is the ratio of two rate constants. Thus, mathematically it is given as:

\mathrm{T_{coeff}\: =\: \frac{k_{(t\: +\: 10)^{o}C}}{k_{t^{o}C}}}

The specific rate constant(k) of a first-order reaction depends on temperature.

Therefore, option(4) is correct

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