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Some Basic principles of Organic chemistry
The number of sigma and pi-bonds in 1-butene -3-yne are
(a) 5 sigma and 5 pi
(b) 7 sigma and 3 pi
(c) 8 sigma and 2 pi
(d) 5 sigma and 4 pi
jeemain
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organic-chemistry
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asked
Feb 21, 2014
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meena.p
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1 Answer
In $ (H_2 = CH - C \equiv CH)$ there are $7 \sigma$ and $3 \pi$ bonds.
Hence b is the correct answer.
answered
Feb 21, 2014
by
meena.p
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