Chemical Thermodynamics Question 341
Question: Equal volumes of methanoic acid and sodium hydroxide are mixed. If x is the heat of formation of water, then heat evolved on neutralization is
Options:
A) more than x
B) equal to x
C) less than x
D) twice x.
Show Answer
Answer:
Correct Answer: C
Solution:
Neutralisation of weak acid with strong base hence $ <x $ . Extra heat is utilised to effect the ionisation of weak acid.
