NEETChemistry-Chemical Kinetics

NEET Chemistry Order of Reaction MCQ Question

Type: MCQ-conceptual-Medium-Class 12

For a general reaction X → Y, the plot of conc. Of X vs time is given in the figure. What is the order of the reaction and what are the units of rate constant?

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 C

Detailed Explanation

A first-order reaction has a rate constant with units of s⁻¹. The plot of concentration vs time for a first-order reaction is exponential.

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