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Question

The experimental data for the reaction, 2A+B22AB are as follows. Write probable rate expression;
[A]
mol litre1
[B2]
mol litre1
Rate×104
mol litre1sec1
0.500.501.6
0.501.003.2
1.001.003.2

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Solution

Rate of reaction=K[A]m[B2]n
Now, according to given data,
Thus 1.6×104=K(0.5)m(0.5)n-------(i)

3.2×104=K(0.5)m(1.0)n-----------(ii)

3.2×104=K(1.0)m(1.0)n-----------(iii)

By (i) and (ii) n=1

By (ii) and (iii) m=0

rate=dxdt=K[B2]1

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