Change in enthalpy for reaction <br> $2 H_2O_2 (\ell) \to 2 H_2O (\ell) + O_2 (g)$ <br> If heat of formation of $H_2O_2 (\ell)$ and $H_2O (\ell)$ are -188 & -286 KJ/mol respectively :-

Question

( A ) 948 KJ/mol
( B ) -196 KJ/mol
( C ) -948 KJ/mol
( D ) 196 KJ/mol