The absolute enthalpy of neutralisation of the reaction : MgO(s) + 2HCl(aq) -> MgCl2(aq) + H2O(l) will be : -

1. A. 57.33 kJ mol -1
2. B. -57.33 kJ mol -1
3. C. Greater than -57.33 kJ mol -1
4. D. Less than -57.33 kJ mol -1

Attempt this NEET 2005 Chemistry question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.