The absolute enthalpy of neutralisation of the reaction : $MgO(s)+2HCl(aq)\to MgCl_2(aq)+H_2O(l)$ will be:

Question

( A ) $–57.33 kJ mol^{–1}$
( B ) $57.33 kJ mol^{–1}$
( C ) Greater than$-57.33 kJ mol^{-1}$
( D ) Less than$-57.33 kJ mol^{-1}$