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  • At 473 K, equilibrium constant K_ c for decomposition of phosphorus pentachloride PCl_5 is 8.3 X10^-3. If decomposition is depicted as PCl _5 (g) PCl _3 (g) +Cl _2 (g) (c) what would (iii)

Q 7.30     At 473 K, equilibrium constant Kc for decomposition of phosphorus pentachloride, PCl5 is 8.3 ×10-3. If decomposition is depicted as,

                PCl_{5}(g)\rightleftharpoons PCl_{3}(g)+Cl_{2}(g), \Delta _{r}H^{+}=124.0kJ mol^{-1}

      (c)      what would be the effect on Kc if

                (iii)  the temperature is increased ?  

Answers (1)

In an endothermic reaction, the value of Kc increases with an increase in temperature. Since the given reaction in an endothermic reaction, the value of Kc will increase if the temperature is increased. 

Posted by

Satyajeet Kumar

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