What is the order of a chemical reaction: A + 2B → C, if the rate formation of C increases by a factor of 2.82 on doubling the concentration of A and increases by a factor of 9 on tripling the concent

Question

What is the order of a chemical reaction: A + 2B → C, if the rate formation of C increases by a factor of 2.82 on doubling the concentration of A and increases by a factor of 9 on tripling the concentration of B?

Prashant Kotian · Accepted Answer

Correct answer: A. Order w.r.t A: 2^m = 2.82. Since 2^1.5 ≈ 2.828, m = 1.5 = 3/2. Order w.r.t B: 3^n = 9 => n = 2. Overall order = m + n = 1.5 + 2 = 3.5 = 7/2. Therefore, correct answer is A.

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