Thermodynamics Question 94
Question: Consider the reactions $ C(s)+2H _{2}(g)\to CH _{4}(g),\Delta H=-xkcal $ $ C(g)+4H(g)\to CH _{4}(g),\Delta H=-x _{1}kcal $ $ CH _{4}(g)\to CH _{3}(g)+H(g),\Delta H=+y kcal $ The bond energy of $ C-H $ bond is
[JIPMER 1997]
Options:
A) $ ykcalmo{{l}^{-1}} $
B) $ x _{1}kcalmo{{l}^{-1}} $
C) $ x/4\ kcal\ mol^{-1}$
D) $ x _{1}/4\ kcal\cdot mol^{-1}$
Show Answer
Answer:
Correct Answer: A
Solution:
The bond energy of $ C-H $ bond is 413 kcal $ mol^{-1} $ .
BETA
