Enthalpy change for the reaction, <br> $4H_{(g)} \to 2H_{2(g)}$ is $–869.6\;kJ$ <br> The dissociation energy of H – H bond is

Question

( A ) $ –869.6 kJ $
( B ) $+217.4 kJ$
( C ) $ +434.8 kJ $
( D ) $–434.8 kJ $