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In the reaction, P + Q rarr R + S, the ...

In the reaction, P + Q `rarr` R + S, the time taken for 75% reaction of P is twice the time taken for 50% reaction of P. The concentration of Q varies with reaction time as shown in figure. The overall order of the reaction is

A

2

B

3

C

0

D

1

Text Solution

Verified by Experts

This is a first-order reaction because `t_(75%) = 2 xx t_(50%)`. The graph shows that the order with respect to Q is 0, so we can write the rate expression as rate `= k[P]^(1)[Q]^(0)`.
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