Question

Heat of neutralisation of lioh and hcl at 25 degree celsius is 34.868 kj mol then find heat of ionisation of lioh

Answer 1

Answer:

Explanation:

heat of neutralisation of strong acid with strong bases is 57.62

heat of ionization of LiOH =57.62-34.868

                                           =22.752

Answer 2

Answer:

22.23

Explainaton

Heat of neutalisation of strong base and strong acid is nearly 57.1 KJ mol .

When a strong acid and weak base is used it comes out to be somewhat lower than 57.1 KJ mol ⁻¹in this case it is 34.868 KJ mol ⁻¹, the reason for this lower energy is that some amount of energy is utilized in the complete ionization of weak base that is LiOH.

So , the heat of ionization of LiOH=57.1-34.868

=22.232 KJ mol ⁻¹

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