CBSE Class 11-science Answered
I do not know how to take the equlibria constant for a heterogeneous equilibrium ...please help me with an example and tell me what to take and what not to.
Asked by reeya tanwar | 17 Nov, 2015, 11:37: PM
Expert Answer
For heterogeneous reactions, the concentration terms for pure solids and pure liquids are not included in the expression for equilibrium constant. The concentration of pure solids and liquids remain constant, and these terms are merged into the equilibrium constant or by convention their concentrations are taken as unity, i.e., [solid] = 1, [liquid] = 1.
H2O(g) + C(s) ⇌ H2(g) + CO(g)
So, equilibrium constant can be given as,
; [C(s) = 1]
Answered by Arvind Diwale | 19 Nov, 2015, 09:58: AM
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