Organic Chemistry Some Basic Principles And Techniques Ques 19
19. The shortest $C-C$ bond distance is found in
[1991]
(a) Diamond
(b) Ethane
(c) Benzene
(d) Acetylene
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Answer:
Correct Answer: 19.(d)
Solution:
- (d) Shortest $C-C$ distance $(1.20 $ $\AA)$ is in acetylene, as acetylene has $s p$ hybridisation.
The bond length increases in the order
$ \underset{s p(1.20 \AA)}{C \equiv C}<\underset{s p^{2}(1.34 \AA)}{{C}=C}<\underset{s p(1.54 \AA)}{{C}-C} $
BETA
