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Q.
When pressure is applied to the equilibrium system ice $\rightleftharpoons$ water. Which of the following phenomenon will happen ?
Punjab PMETPunjab PMET 2005Equilibrium
Solution:
According to Le-Chatelier's principle. If a system in equilibrium is subjected to a change of temperature, pressure or concentration, the equilibrium is disturbed and shifts in the direction in which the effect of change is annuled.
So for the equilibrium
$\underset{\text{greater volume}}{\text{Ice}} \rightleftharpoons \underset{\text{lesser volume} }{\text{Water}}$
on increasing pressure, the melting point of ice is decreased i.e: more ice will melt and more water will be formed.