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Question

What is the unit of rate constant for a zero-order reaction?


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Solution

Rate constant

  • The equation for rate is as follows:-

Rate=kAxBy......(1)-dRdt=kAxBy....(2)

  • This form of equation (2) is known as the differential rate equation. Here, k is the rate constant.

Unit of rate constant for zero-order

k=RateAxBy=ConcentrationTime×1Concentrationn=molL-1s×1molL-10=molL-1s-1

Here, n is the order of the reaction.

So, the unit of rate constant for zero-order is molL-1s-1.


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