KEAM 2020 Physics and Chemistry Solved Paper

Question : 74 of 120

Marks: +1, -0

The standard enthalpies of formation of H2O(I) and CO2(g) are respectively −286‌kJ‌mol−1 and −394‌kJ‌mol−1. If the standard heat of combustion of CH4(g) is −891‌kJ‌mol−1, then the standard enthalpy of formation of Cl‌I4‌g) is