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02/10/2020 5:45 pm
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The number of σ- and π-bonds present in pent-4-en- 1-yne is
(a) 10, 3
(b) 4, 9
(c) 3, 10
(d) 9, 4
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02/10/2020 5:50 pm
(a) 10, 3
Explanation:
HC ≡ C - CH2 - CH = CH2
Pent-4-en-1-yne
Triple bond between C and C contains one σ bond and two S bonds. Double bond between C and C contains one σ bond and one π bond.
Total σ bonds = 10
Total π bonds = 3