The heat of neutrasation of a strong acid and a strong alkali is `57.0KJ mol^(-1)` . The heat released when `0.5` mole of `HNO_(3)` solution is mixed

Question

The heat of neutrasation of a strong acid and a strong alkali is `57.0KJ mol^(-1)` . The heat released when `0.5` mole of `HNO_(3)` solution is mixed

The heat of neutrasation of a strong acid and a strong alkali is `57.0KJ mol^(-1)` . The heat released when `0.5` mole of `HNO_(3)` solution is mixed with `0.2` mole of `KOH` is
A. `57.0 kJ`
B. `11.40 kJ`
C. `28.5 kJ`
D. `34.9 kJ`

Monjur Alahi

4 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 - B
Here, `0.2` moles of `NaOH` is limiting reagent. Therefore, amount of heat liberated by neutralisation of `0.20` moles of `NaOH` is `=5.70xx0.2=11.4kJ`.

4 views Answered 2023-02-05 15:29