Mechanism of a hypothetical reaction $X_2 + Y_2 \rightarrow 2XY$ is given below : (i) $X_2 \rightarrow X + X$ (fast) (ii) $X + Y_2 \rightleftharpoons XY + Y$ (slow) (iii) $X + Y \rightarrow XY$ (fast) The overall order of the reaction will be :

Question

Dr. Abubacker · Accepted Answer

[Solution] Rate = $k[X][Y_2]$ with $[X] \propto [X_2]^{1/2}$ from the fast equilibrium, so order = 1/2 + 1 = 1.5. Answer (4).

Q. Mechanism of a hypothetical reaction $X_2 + Y_2 \rightarrow 2XY$ is given below : (i) $X_2 \rightarrow X + X$ (fast) (ii) $X + Y_2 \rightleftharpoons XY + Y$ (slow) (iii) $X + Y \rightarrow XY$ (fast) The overall order of the reaction will be :

Explanation

Reviewed by Dr. Abubacker

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