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A Substance undergoes first order decomposition . The decomposition follows two parallel first order reactions as The percentage distribution of B and C areA. 75% B and 25% CB. 80% B and 20% CC. 60% B and 40% CD. 76.83% B and 23.17% C

Answer» Correct Answer - d
% distribution of B = `(k_(1))/(k_(1) + k_(2)) xx 100`
`= (1.26 xx 10^(-4))/(1.26 xx 10^(-4) + 3.8 xx 10^(-4)) xx 100`
B% = 76.83 %
%Distribution of C = `(k_(2))/(k_(1) + k_(2)) xx 100`
=` (3.8 xx 10^(-4))/(1.26 xx 10^(-4) + 3.8 xx 10^(-4)) xx 100`
C% = 23.17 %.


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