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Heat of Reaction

Enthalpy of n...

Question

Enthalpy of neutralization of HCl by NaOH is -55.84 kJ/mol and by $N H_{4} O H$ is -51.34 kJ/mol. The enthalpy of ionization of $N H_{4} O H$ is :

-107.18 kJ

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+107.18 kJ

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+4.5 kJ

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-4.5 kJ

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Solution

The correct option is D -4.5 kJ

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