Question

Suitable conditions for melting of ice

• A. high temperature and high pressure
• B. high temperature and low pressure
• C. low temperature and tow pressure
• D. low temperature and high pressure

Answer 1

Answer: (A)

ice $\rightleftharpoons$ water
According to Le-Chateliers principle at equilibrium if we change temperature or pressure of a reaction it will shift in such a way so as to undo the change.
$\because$ Melting of ice is endothermic process.
$\therefore$ Supply of heat shifts equilibrium in forward direction
$\because$ Volume of ice is more than volume of water.
$\therefore$ Increase in pressure shifts equilibrium to right.
$\therefore$ High temperature and high pressure are favourable conditions of melting of ice.