1.

Assertion (A) : Catalyst presence increase the rate the reaction Reason (R) : in the presence of a catalyst , energy of activation is lowered and hence greater number of molecules can across the energy barrier and change over to products thereby increasing the rate of the reaction.

Answer»

Both A and R are CORRECT and R is the correct explanation of A
Both A and R are correct but R is not the correct explanation of A
A is correct but R is WRONG
A is wrong but R is correct

Answer :b


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