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Assertion (A) : The molecularity of a re...

Assertion (A) : The molecularity of a reaction may be a fraction
Reason (R) : The molecularity of a reaction is the number of molecules whether of the same or different species that must contact simultaneously in a single step for the reaction to occur.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is not a correct explanation of A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
D
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Assertion (A) : The molecularity of the reaction H_(2) + Br_(2) rarr 2HBr is 2 . Reason (R ): The order of the reaction is 3//2 .

Assertion (A) : The order of a reaction can have fractional value Reason (R) : The order of a reaction cannot be written from balanced equation of a reaction.

A : The molecularity of reaction can never be fractional. R : Molecularity is the number of molecules needed to form activated complex, which will never be fractional.

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