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Q.

The slowest step of a particular reaction is found to be $\frac{1}{2} X_{2} + Y_{2} \to {XY}_{2}$
The order of the reaction is:

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a

2

b

3.5

c

1.5

d

3

answer is D.

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Detailed Solution

$Slow step is \frac{1}{2} X_{2} + Y_{2} \to {XY}_{2} Hence, r = k {[X_{2}]}^{1 / 2} [Y_{2}] OR = \frac{1}{2} + 1 = 1 \frac{1}{2}$

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