Question

Enthalpy of sublimation of iodine is 24 cal g⁻² at 200°C. If specific heat of I₃(s) and I₂ (vap) are 0.055 and 0.031 cal g⁻¹K
respectively, then enthalpy of sublimation of iodine at 250°C in cal g⁻²
is : (A) 2.85 (B) 11.4
(C) 5.7 (D) 22.8

Answer 1

Answer:

Enthalpy of sublimation of iodine is 24 cal g⁻² at 200°C. If specific heat of I₃(s) and I₂ (vap) are 0.055 and 0.031 cal g⁻¹K

respectively, then enthalpy of sublimation of iodine at 250°C in cal g⁻²

is : (A) 2.85

(B) 11.4

(C) 5.7

(D) 22.8 ✔✔