A products (First order reaction). Three sets of experiment were performed for a reaction under similar experimental conditions. Run 1 100 mL of 10 M solution of reactant A Run 2 200 mL of 10 M soluti

Question

A products (First order reaction). Three sets of experiment were performed for a reaction under similar experimental conditions. Run 1 100 mL of 10 M solution of reactant A Run 2 200 mL of 10 M solution of reactant A Run 3 100 mL of 10 M solution of reactant A+ 100 mL of H2O added. The correct variation of rate of reaction is

(A) Run 1 = Run 2 = Run 3
(B) Run 3 < Run 1 = Run 2
(C) Run 3 < Run 1 < Run 2
(D) Run 1 < Run 2 < Run 3

Prashant Kotian · Accepted Answer

Correct answer: B. For I st order reaction Rate = k[A] with decrease in concentration of A, rate of reaction decreases.

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