Chemical Thermodynamics Question 265
Question: 2.1 g of Fe combines with S evolving 3.77 kJ. The heat of formation of FeS in kJ/mol is [AMU (Engg.) 1999]
Options:
A) - 1.79
B) - 100.5
C) - 3.77
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
$ \Delta H/mole $ of $ FeS=\frac{3.77\times 56}{2.1}=100.5 $ .