The rate law of a reaction between the substance A and B is given by, rate=k[A]^n[B]^m. On doubling the concentration of A and making the volume of B half the ratio of new rate to the earlier rate of reaction will be?
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Answer:
4ⁿ
Explanation:
Given reaction is rate=k[A]ⁿ [B]ⁿ
Let the initial rate of reaction be k₁ and final rate be k₂
C=n/V⇒ if the volume(V) is halved concentration(c) doubles
k₂=[2A]ⁿ [2B]ⁿ = 4ⁿ [A]ⁿ [B]ⁿ
k₂ = 4ⁿ k₁
k₂/k₁ = 4ⁿ
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