Chemical Thermodynamics Question 255
Question: Equal volumes of methanoic acid and sodium hydroxide are mixed. If $ x $ is the heat of formation of water, then heat evolved on neutralisation is [BHU 1998]
Options:
A) More than $ x $
B) Equal to $ x $
C) Twice of $ x $
D) Less than $ x $
Show Answer
Answer:
Correct Answer: D
Solution:
As methanoic acid is weak acid, heat of neutralization < x.
