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Chemistry
In acetylene molecule, between the carbon atoms there are
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Q. In acetylene molecule, between the carbon atoms there are
KCET
KCET 2007
Organic Chemistry – Some Basic Principles and Techniques
A
three sigma bonds
8%
B
two sigma and one pi bonds
30%
C
one sigma and two pi bonds
57%
D
three pi bonds
5%
Solution:
The structure of acetylene is
$H - C \overset{{1 \sigma}}{\equiv} \underset{{ 2 \pi}}{ \equiv } 1 \sigma 2\pi C - H $
Hence, in acetylene molecule, there are one sigma and two pi bonds are present between carbon atoms.