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JAMB Chemistry 2019 Paper

Question : 23

Total: 80

_{(s)}

_{(g)}

_{(aq)}

_{(g)}

Solution:

Given: The equation below

_{(s)}

+ 2B

_{(g)}

→ 2C

_{(aq)}

+ D

_{(g)}

According to Le Chatelier's Principle:

Pressure changes affects only the gaseous reactants and products

There must be different amount of gaseous particles on both sides.

Generally; a decrease in the pressure shifts the equilibrium position in favor of the side with larger volume of gases.

I.e rates of backward reaction.

NB: This is a correction to the video explanation.

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