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Consider the reaction equilibrium, 2SO(2...

Consider the reaction equilibrium, `2SO_(2(g)) + O_(2(g))hArr , Delta H^(@) = - 198 kJ` . On the basis of Le-Chatelier's principle, the condition favourable for the forward reaction is

A

lowering of temperature as well as pressure

B

increasing temperature as well ass pressure

C

lowering the temperature and increasing the pressure

D

any value of temperature and pressure.

Text Solution

Verified by Experts

The correct Answer is:
C
The conversion of `SO_(2) "to" SO_(3)` is an exothermic reaction, hence there is no need to increase the temperature. There is also a decrease in volume or moles in product side. Thus the reaction is favoured by low temperature and high pressure. (Le-Chatelier's principle).
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