Q.

For the reversible reaction, A⇌ 2B, Kc = 10. At certain instant, [A] = 2M and [B] = 200M. Then the correct statement is

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QC = KC, forward reaction is favoured

QC > KC, forward reaction is favoured

QC < KC, backward reaction is favoured

QC > KC, backward reaction is favoured

answer is D.

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Detailed Solution

QC = [B]2[A] = (200)220 = 4000020 = 2000Given KC = 10QC > KC∴ QC must decrease to become equal to KC.Backward reaction favours

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