Ice and water are in equilibrium with each other. By increasing the pressure, the equilibrium will shift in:
Correct answer: A. Forward direction
- A. Forward direction
- B. Reverse direction
- C. To all system at equilibrium
- D. None of the above
Explanation
By increasing the pressure, the equilibrium between ice and water will shift in the direction of the phase with the lower volume, which is the forward direction.
This question appeared on the ETEA MDCAT 2019 paper, which you can sit online with every answer explained.
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About Le Chatelier's Principle
Le Chatelier's principle predicts how an equilibrium responds when concentration, pressure or temperature changes. Questions apply it to reversible reactions, identify the direction of shift and distinguish genuine equilibrium changes from the effect of a catalyst, which changes the rate of reaching equilibrium but not its position.
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