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For the reaction ,H2(g)+Br(g)=2HBr(g),th...

For the reaction ,`H_2(g)+Br(g)=2HBr(g)`,the reaction` rate=K[H2][Br2]^1/2. Which statement is true about this reaction:

A

The reaction is of second order

B

Molecularity of the reaction is 3/2

C

The unit of K is `sec^-1`

D

Molecularity of the reaction is 2

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The correct Answer is:
D
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