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STANDARD Chemistry Order of Reaction MCQ Question

Type: MCQ-conceptual-Medium-Class 12

For a zero order reaction, rate = k = dxdt\frac{dx}{dt}. Units of k = mol L⁻¹ s⁻¹

Question diagram
A

Zero, mol L⁻¹ s⁻¹

B

First, mol L⁻¹ s⁻¹

C

First, s⁻¹

D

Zero, L mol⁻¹ s⁻¹

Correct Answer

Option A

Detailed Explanation

In a zero order reaction, the rate of reaction is independent of the concentration of the reactants. Therefore, the rate constant k has units of concentration/time, which is mol L⁻¹ s⁻¹.

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