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If enthalpy of neutralisation of HCl by ...

If enthalpy of neutralisation of HCl by NaOH is -57 kJ `" mol"^(-1)` and with `NH_(4)OH` is -50 kJ `" mol"^(-1)`. Calculate enthalpy of ionisation of `NH_(4)OH` (aq).

A

`-43.8` kJ

B

43.8 kJ

C

68 kJ

D

`-68` kJ

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The correct Answer is:
B
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