Q.
Given that : $N_{2}\left(g\right) \rightarrow 2N\left(g\right);\left(ΔH\right)_{1}$
$
Cl _2( g ) \rightarrow 2 Cl ( g ) ; \Delta H _2
$
$
NCl _3( g ) \rightarrow N +3 Cl ; \Delta H _3
$
The heat of formation of $NCl _3( g )$ is :-
NTA AbhyasNTA Abhyas 2022
Solution: