Q.

The rate law for a reaction between the substances A and B is given by rate = K[A]n [B]m. On doubling the concentration of A and halving the concentration of B. What will be the ratio of the new rate of the earlier rate of the reaction?

A. (  1 )m+n
B. m2+n
C. n-m
D. 2n-m
Answer» D. 2n-m
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