MCQ
Find .....$ kJ/mol$ enthalpy of neutralisation of $NH_4OH$ and $HCN$ in aqueous solution if enthalpy of ionisation of $NH_4OH$ and $HCN$ are $7\ kJ/mol$ and $8\ kJ/mol$. also enthalpy of ionisation of $H_2O$ is $57.3\ kJ/mole$
- A$-15$
- ✓$-42.3$
- C$+1$
- D$42.3$
