Chemical Thermodynamics Question 252
Question: The enthalpy of solution of $ BaCl_2(s) $ and $ BaCl_2.2H_2O(s) $ are $ -20.6 $ and $ 8.8,kJ,mo{{l}^{-1}} $ respectively. The enthalpy change for the reaction $ BaCl_2(s)+2H_2O\to $ is [Roorkee Qualifying 1998]
Options:
A) 29.4 kJ
B) - 11.8 kJ
C) - 20.6 kJ
D) - 29.4 kJ
Show Answer
Answer:
Correct Answer: D
Solution:
$ -20.6-8.8,KJ,mo{{l}^{-1}}=-29.4kJ $ .