How much of the following possess heat of neutralization less than kcal

CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics

Problem

How much of the following possess heat of neutralization less than −13.7-13.7 kcal. HCl(aq.)+NaOH(aq.)\text{HCl}_{(aq.)} + \text{NaOH}_{(aq.)} , HF(aq.)+NaOH(aq.)\text{HF}_{(aq.)} + \text{NaOH}_{(aq.)} , CH3COOH(aq.)+NH4OH(aq.)\text{CH}_3\text{COOH}_{(aq.)} + \text{NH}_4\text{OH}_{(aq.)} , CCl3COOH(aq.)+KOH(aq.)\text{CCl}_3\text{COOH}_{(aq.)} + \text{KOH}_{(aq.)} , C6H5COOH(aq.)+KOH(aq.)\text{C}_6\text{H}_5\text{COOH}_{(aq.)} + \text{KOH}_{(aq.)}

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