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Question

In a certain reaction 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on. Dimension of the velocity constant (rate constant) are:

A
hour1
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B
mollitre1hour1
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C
litremol1sec1
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D
molsec1
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Solution

The correct option is B mollitre1hour1
In a certain reaction 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on. since rate is not dependant on concentration.

This indicates that the reaction is of zero order.
rate=k[A]0
Dimension of the velocity constant (rate constant) are
mollitre1hour1

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