Some Basic Principles Of Organic Chemistry Question 188
Question: The C - C bond length of the following molecules is in the order [IIT-JEE 1991]
Options:
A) $ C_2H_6>C_2H_4>C_6H_6>C_2H_2 $
B) $ C_2H_2<C_2H_4<C_6H_6<C_2H_6 $
C) $ C_2H_6>C_2H_2>C_6H_6>C_2H_4 $
D) $ C_2H_4>C_2H_6>C_2H_2>C_6H_6 $
Show Answer
Answer:
Correct Answer: B
Solution:
$ \underset{1.20{\AA}}{\mathop{C_2H_2}},<\underset{1.34{\AA}}{\mathop{C_2H_4}},<\underset{1.39{\AA}}{\mathop{C_6H_6}},<\underset{1.54{\AA}}{\mathop{C_2H_6}}, $