Chemical Thermodynamics Part 2

The rise in temperature of neutralization reaction will be maximum for maximum number of moles of strong acid and strong base neutralized and lower volume of final solution.
(1)     HCl+NaOH⟶NaCl+H2O
mmol    30    30
Final volume of solution =60mL
Option (2) and (3) have weak acids and in option (4) only 20 mmol of HCl will be neutralized with 70 mL final volume.