Thermodynamics Question 84
Question: The enthalpy of neutralization of $ HCN $ by $ NaOH $ is $ -12.13kJmo{{l}^{-1}} $ . The enthalpy of ionisation of $ HCN $ will be
[BHU 1997]
Options:
A) 4.519 kJ
B) 45.10 kJ
C) 451.9 kJ
D) 45.19 kJ
Show Answer
Answer:
Correct Answer: D
Solution:
$ Q=18.94\times 0.632\times 0.998\times 1000 $
$ -57.4+x=-12.13 $
$ x=45.2 $
