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In each of the following total pressure setup at equilibrium is assumed to be equal and is 1 atm with equilibrium constants Kp given 

I : CaCO3(s) ⇌  CaO(s) + CO2(g), K

II : NH4HS(s) ⇌  NH3(g) + H2S(g), K2 

III : NH2CO2NH4(s) ⇌ 2NH3(g) + CO2(g), K3

In the increasing order

a. K1 = K2 = K

b. K1 < K2 < K3 

c. K3 < K2 < K

d. None of these

1 Answer

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Correct option  (C) K3 < K2 < K1


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