Question -
The half life of a first order reaction is
Options:
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: Option A : A 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).
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