For a reaction r = k[A][B]^2 if concentration of A is doubled the rate of reaction

MHT CET 2024 Chemistry question

For a reaction if concentration of A is doubled the rate of reaction

(A)increases by 2Correct
(B)increases by 4
(C)decreases by
(D)decreases by 2

Answer: (A)

Solution

The rate law is , first order in A. If is doubled with unchanged, the new rate is . So the rate increases by a factor of 2 (becomes twice), option (A). (B)

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-095494