When 1 kg of ice at 0°C melts to water at 0° C, the resulting change in its entropy, taking latent heat of ice to be 80 kcal/kg is
1
293 cal/K
2
273 cal/K
3
8 × 104 cal/K
4
80 cal/K
When 1 kg of ice at 0°C melts to water at 0° C, the resulting change in its entropy, taking latent heat of ice to be 80 kcal/kg is