Question

Consider the reaction 2A + B → 2C +D. From the following data, Calculate the order and rate constant of the reaction.

[A]₀/M [B]₀/M r₀/Ms⁻¹
0.488 0.160 0.24
0.244 0.160 0.06
0.244 0.320 0.12

Write the rate law of reaction.

Answer 1

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As the rate of the reaction becomes two times on doubling the concentartion of b so the reaction is first ordr wrt to b when both a and b is doubled then rate becomes eight times.as reaction is 1 order art to b due to rate increases two times hence due to A rate increases four times which is 2^2 hence reaction is second order wrt to a

Rate law=(a^2)(b^1)

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