Equilibrium Question 594

Question: The formation of $ SO_3 $ takes place according to the following reaction, $ 2SO_2+O_2 $ ⇌ $ 2SO_3 $ ; $ \Delta H=-45.2\ kcal $ The formation of $ SO_3 $ is favoured by [UPSEAT 2004]

Options:

A) Increasing in temperature

B) Removal of oxygen

C) Increase of volume

D) Increasing of pressure

Show Answer

Answer:

Correct Answer: D

Solution:

In this reaction $ \Delta H $ is negative so reaction move forward by decrease in temperature while value of $ \Delta n=2-3=-1 $ i.e., negative so the reaction move forward by increase in pressure.



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