STANDARDChemistry-Chemical Kinetics

STANDARD Chemistry Rate of Reaction MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following statements is not correct?

A

For a zero order reaction, t₁/₂ is proportional to initial concentration.

B

The relationship of variation of rate constant with temperature is given by log( k₂ / k₁ ) = Eₐ / 2.303R [ T₂ - T₁ / T₂ T₁ ]

C

The unit of rate constant for a reaction is mol¹⁻ⁿ Lⁿ⁻¹ s⁻¹ where n is order of the reaction.

D

The unit of rate of reaction changes with order of reaction.

Correct Answer

Option D

Detailed Explanation

The unit of rate of reaction is mol L⁻¹ s⁻¹. It does not change with order.

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