Question

The half life of a first order reaction is

• A. Independent of the initial concentration of the reactant
• B. Directly proportional to the initial concentration of the reactant
• C. Inversely proportional to the initial concentration of the reactant
• D. Directly proportional to the square of the initial concentration of the reactant

Answer 1

The correct option is A Independent of the initial concentration of the reactant

Statements in options (b) (c) and (d) correspond to orders 0, 2 and 3 respectively. Hence the answer for the given question is found in the option (a).