Following are two first order reactions with their half times given at 25°C.At1/2=30min⟶ Products B⟶t1/2=40min Products The temperature coefficients of their reaction rates are 3 and 2, respectively, between 25°C and 35°C. If the above two reactions are carried out taking 0.4 M of each reactantbut at different temperatures: 25°C for the first order reaction and 35oC for the second order reaction, find the ratio of the concentrations of A and B after an hour.
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answer is 2.
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Detailed Solution
0.4M of A⟶30min0.2M⟶30min0.1M( for A)0.4M of B⟶20min0.2M⟶20min0.1M⟶20min 0.05 (for B)−d[B]dtwill be doubled and hence t1/2 will be halved ∴[A][B]=2