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Question: For a reaction \(A \rightarrow B\), the rate of reaction quadrupled when the concentration of A is d...

For a reaction ABA \rightarrow B, the rate of reaction quadrupled when the concentration of A is doubled. The rate expression of the reaction is r=K(A)nr = K(A)^{n}. when the value of nn is.

A

1

B

0

C

3

D

2

Answer

2

Explanation

Solution

Rate of reaction is quadrupled on doubling the concentration. Thus r[A]2r \propto \lbrack A\rbrack^{2}.