MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryChemical EquilibriumLe-Chatelier’s Principle

In which of the following, the forward reaction is favoured by use of high pressure ?

A.H2 + I2 2 HI

B.N2 + O2 2NO

C.2 NH3 N2+ 3 H2

D.2 SO2 + O2 2 SO3.✓ Correct

Explanation

According to Le-Chatelier's principle, with the increase in pressure ,the reaction is directed towards the side where lower number of moles are present. Hence, with the increase in pressure, the reaction in option (d) will move forward as lesser number of moles are present to the product side.

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