The enthalpy changes for the following processes are listed below: Cl 2 (g) = 2Cl(g)…
Chemistry · NEET · NTA Exams — Chemical Thermodynamics
The enthalpy changes for the following processes are listed below:
Cl2(g) = 2Cl(g), 242.3 kJ mol-1
I2(g) = 2I(g), 151.0 kJ mol-1
ICl(g) = I(g) + Cl(g), 211.3 kJ mol-1
I2(s) = I2(g), 62.76 kJ mol-1
Given that the standard states for iodine and chlorine are I2(s) and Cl2(g), the standard enthalpy of formation of ICl(g) is:
- - 14.6 kJ mol-1
- - 16.8 kJ mol-1
- + 16.8 kJ mol-1
- + 244.8 kJ mol-1
Answer
(B) - 16.8 kJ mol -1
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