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  • The enthalpy of neutralisation of which of the following acids and base is nearly -13.7 KcalOption: 1 HCN and NaOH<div class='qna-optio

The enthalpy of neutralisation of which of the following acids and base is nearly -13.7 Kcal

Option: 1

HCN and NaOH


Option: 2

HCN and NH4OH


Option: 3

HCl and NaOH


Option: 4

HCl and NH4OH


Answers (1)

best_answer

Enthalpy of Neutralisation -

Amount of Enthalpy change during  Neutralisation of one gm equivalent acid & one gm equivalent base.

\mathrm{HCl(aq)+NaOH(aq)\rightarrow NaCl(aq)+H_{2}O;\;\;\;\Delta H=-13.70\;kcal}

 

The heat of neutralisation of strong acid and strong base is equal to -13.7 kcal

HCl is a strong acid and NaOH is a strong base

Hence, the correct answer is Option (3)

Posted by

Gaurav

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