Heat of neutralization is less negative than -13.7 Kcal/mole for the reaction:
A
HCl+NaOH→NaCl+H2O
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B
H2SO4+2NaOH→Na2SO4+2H2O
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C
HNO3+NaOH→NaNO3+H2O
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D
CH3COOH+NaOH→CH3COONa+H2O
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Solution
The correct option is DCH3COOH+NaOH→CH3COONa+H2O
The enthalpy of neutralization (ΔHn) is the change in enthalpy that occurs when one equivalent of an acid and one equivalent of a base undergo a neutralization reaction to form water and salt.
The heat of neutralization is less negative for reactions of a weak acid strong base, strong acid weak base and weak acid weak base.