Question Detail

CHM 101 CHM 101 Past Questions Objective Question

Question

For a first order reaction, the half-life is
Options
A proportional to first power of final concentration
B proportional to cube root of initial concentration
C independent of initial concentration
Correct Answer
D proportional to square root of final concentration
Correct Answer

Option C is the correct answer.

Detailed Explanation

For first-order reactions, t₁/₂ = ln2/k, which is constant and independent of initial concentration.

Hint

First-order half-life is constant.

Question Info