Chemical Thermodynamics Question 84
Question: Which one of the following bonds has the highest average bond energy (kcal/mol) [CPMT 1994]
Options:
A) $ S=O $
B) $ C\equiv C $
C) $ C\equiv N $
D) $ N\equiv N $
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Answer:
Correct Answer: D
Solution:
B.E of S==O,C≡≡C,C≡≡NandN≡≡N are 523,839,891 and 941kJ$mol^{−1}$ respectively.Thus, among the given molecules, N≡≡N has the highest bond energy.