In which of the following reactions, the enthalpy is the least?

Question

In which of the following reactions, the enthalpy is the least?

In which of the following reactions, the enthalpy is the least?
A. `CH_(3)COOH+NaOH to CH_(3)COONa+H_(2)O`
B. `HCl+NH_(4)OH to NH_(4)Cl+H_(2)O`
C. `HCl+NaOH to NaCl+H_(2)O`
D. `HCN+NH_(4)OH to NH_(4)CN+H_(2)O`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
In neutralisation reaction, when acid and base both are weak, a large amount of heat is utilised to ionise them. Thus, for such reaction, enthalpy of the reaction is least.

5 views Answered 2023-02-05 15:29