Consider the reactions (i)CO(g)+H2O(g)⇌CO2(g)+H2(g);K1(ii)CH4(g)+H2O(g)⇌CO(g)+3H2(g);K2(iii)CH4(g)+2H2O(g)⇌CO2(g)+4H2(g);K3
which of the following is correct?
A
K3=K1/K2
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B
K3=K21/K3−2
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C
K3=K1K2
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D
K3=K1√K2
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Solution
The correct option is CK3=K1K2 CO(g)+H2O(g)⇌CO2(g)+H2(g);K1−−−−−−(i)CH4(g)+H2O(g)⇌CO(g)+3H2(g);K2−−−−−(ii)
Adding (i) and (ii) we get; CH4(g)+2H2O(g)⇌CO2(g)+NH2(g);K3So,K3=K1K2