MHT CET 2024 Chemistry question

Which of the following statement is correct about zero order reaction?

(A)Rate of reaction depends on rate constant
(B)Rate of reaction is independent of concentration of reactantCorrect
(C)Half life of reaction does not depend on initial concentration
(D)Unit of rate constant is time

Answer: (B)

Solution

For a zero order reaction the rate law is , so the rate is independent of the concentration of the reactant; this is the intended correct statement. The half life is , which is directly proportional to the initial concentration, so

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Question ID VK-093073