STANDARDChemistry-Chemical Kinetics

STANDARD Chemistry Rate of Reaction MCQ Question

Type: MCQ-conceptual-Medium-Class 12

For a reaction, P + Q → 2R + S. Which of the following statements is incorrect?

A

Rate of disappearance of P = Rate of appearance of S

B

Rate of disappearance of Q = 2 × Rate of appearance of R

C

Rate of disappearance of P = Rate of disappearance of Q

D

Rate of disappearance of Q = 1/2 × Rate of appearance of R

Correct Answer

Option B

Detailed Explanation

The stoichiometry of the reaction indicates that the rate of disappearance of Q should be equal to the rate of appearance of R, not twice. Therefore, option B is incorrect.

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