1.

Which of the following is an example of heterogeneous equilibrium? (a) Synthesis of HI (b) Dissociation of PCI5 (c) Acid hydrolysis of ester (d) Decomposition of limestone

Answer»

(d) Decomposition of limestone

CaCO3(s) → CaO(s) + CO2(g) 

Here CO2 is in gaseous state while CaCO3 and CaO are in solid state.



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