Molar heat capacity of water in equilibrium with ice at constant pressure is

Options

A. zero
B. infinity `(oo)`
C. `40.45 kJ K^(-1) mol^(-1)`
D. `75.48 kJ K^(-1) mol^(-1)`

Answer

B

Explanation

`C_(P)=(H_(2)-H_(1))/(Delta T)=(Delta H)/(0)= oo` (infinity)
[`Delta T=0`, because two states (liquid and solid) of water are in equilibrium]