The heat of neutralisation of a strong acid and a strong alkali is 57.0 kJ `mol^(-1)`. The heat releaed when 0.5 mole of `HNO_(3)` solution is mixed w

Question

The heat of neutralisation of a strong acid and a strong alkali is 57.0 kJ `mol^(-1)`. The heat releaed when 0.5 mole of `HNO_(3)` solution is mixed w

The heat of neutralisation of a strong acid and a strong alkali is 57.0 kJ `mol^(-1)`. The heat releaed when 0.5 mole of `HNO_(3)` solution is mixed with 0.20 mole of KOH solution is
A. 57.0 kJ
B. 11.4 kJ
C. 28.5 kJ
D. 34.9 kJ

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 - B
NaOH is the limiting reactant and the enthalpy of neutralisation is to be calculated for 0.2 mole of NaOH and 0.2 mole of `HNO_(3)` as `5.70xx0.2=11.4kJ`

5 views Answered 2023-02-05 15:29