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JAMB Chemistry 2014 Paper

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Question : 25

Total: 45

In an equilibrium reaction, which of the following conditions indicates that maximum yield of the product will be obtained?

Equilibrium constant is very large
∆H - T∆S = O
∆ H > T ∆ S
Equilibrium constant is less than zero

Solution:

Concept:

Maximum product yield at equilibrium is favoured when the equilibrium constant is very large.

Explanation:

A very large equilibrium constant

K

means the equilibrium position lies far to the right, favouring formation of products.

Thus, maximum yield of the product is obtained when

K

is very large.

Answer:

A. Equilibrium constant is very large

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