First slide

Enthalpy of neutralization

Question

Neutralization reactions are exothermic. Enthalpy of neutralization is highest for

Easy

A

${NH}_{4} OH vs HCN$
B

$NaOH vs HCN$
C

${NH}_{4} OH vs HCl$
D

$NaOH vs HCl$

Solution

Heat of neutralization for SA – SB reaction is maximum because both undergo complete Ionization;
${NH}_{4} OH, HCN$ are weak electrolytes;

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