If a mixture 0.4 mole H2 and 0.2 mole Br2 is heated at 700K at equilibrium, the value of equilibrium constant is 0.25×1010 then find out the ratio of concentrations of (Br2) and (HBr) (Report your answer as Br2HBr×1011)
A
70
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B
80
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C
90
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D
100
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Solution
The correct option is B 80 H2+Br2⇌2HBrt=00.40.2−t=teq0.2y0.4=negligible=y ∵14×1010=0.4×0.40.2×y⇒y=3.2×10−10⇒Br2HBr×1011=3.20.2×10−10×1011=80