The unit of second order reaction rate constant is

The Unit Of Second Order Reaction Rate Constant Is Chemistry QuestionThe Unit Of Second Order Reaction Rate Constant Is Chemistry Question

The unit of second order reaction rate constant is

Options

(a) L⁻¹ mol s⁻¹
(b) L² mol⁻² s⁻¹
(c) L mol⁻¹ s⁻¹
(d) s⁻¹

Correct Answer:

L mol⁻¹ s⁻¹

Explanation:

For a second order reaction, -.d[A]/dt = k[A]². ⇒ K = -d[A] / dt ⨯ 1/ [A]² = 1 / s mol L⁻¹. So unit of K for second order reaction is L mol⁻¹ s⁻¹.

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