Using the following data, calculate the standard heat of formation of the compound ICl in kJ/mol:
ΔH° (kJ/mol)
Cl₂(g) → 2Cl(g) 242.3
I₂(g) → 2I(g) 151.0
ICl(g) → I(g) + Cl(g) 211.3
I₂(s) → I2(g) 62.8

Answer is : ______ kj/mol