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Question

If H++OH=H2O+13.7 Kcal,then heat of complete neutralization of one gram mole of H2SO4 with strong base will be:

A
13.7 Kcal
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B
27.4 Kcal
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C
6.85 Kcal
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D
3.425 Kcal
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Solution

The correct option is A 13.7 Kcal
Given, H++OHH2O H=13.7 Kcal
One mole of H2SO4 give 2 mole of H+ ions.
One mole of (KOH) strong base give one mole of OH ions.
Since, one mole of OH of strong base react with one mole of H+ of strong acid.
H++OHH2O
H=13.7 KCal

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