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 $ .



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