Hydrocarbons Question 175
Question: Decreasing order of C-C bond length is [JEE Orissa 2004] $ C_2H_4 $ $ C_2H_2 $ $ C_6H_6 $ $ C_2H_6 $
Options:
A) IV > III > I > II
B) I > II > IV > III
C) II > I > IV > III
D) IV > I > III > II
Show Answer
Answer:
Correct Answer: A
Solution:
Bond length $ \propto \frac{1}{\text{Bond order}} $ Bond order = $ \frac{\text{Bonding – antibonding electron}}{2} $ Bond order is highest for $ C_2H_6 $ so it has minimum bond strength.
BETA
