Enthalpy of sublimation of iodine is 24 cal g–1 at 200 °C. If specific heat of I2(*) and l2 (vap) are 0.055 and 0.031 cal g–1K –1 respectively, then enthalpy of sublimation of iodine at 250°C in cal g–1 is :
(1) 2.85
(2) 22.8
(3) 11.4
(4) 5.7
Correct option (2) 22.8
Explanation:
