The standard enthalpy of formation of `NH_(3)` is -46.0 kJ `mol^(-1)`. If the enthalpy of formation
Channel: Doubtnut
Date: 02/02/2020

The standard enthalpy of formation of `NH_(3)` is -46.0 kJ `mol^(-1)`. If the enthalpy of formation of `H_(2)` from its atoms is -436 kJ `mol^(-1)` and that of `N_(2)` is -7112kJ `mol^(-1)`, the average bond enthalpy of N-H bond in `NH_(3)` is :-