According to the Le Chatelier's principle, changes in which of the following factor(s) will cause a shift in a chemical equilibrium?

Pressure

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Catalyst

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Concentration

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Temperature

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Solution

The correct option is D Temperature
According to the Le Chatelier's principle, the changes in concentration, pressure and temperature of the system will cause a shift in the chemical equilibrium. This shift is caused due to the system trying to readjust itself to nullify the effect of the change and attaining a new equilibrium state.

A catalyst does not causes a shift in the equilibrium. It helps the system to reach equilibrium faster.

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