Chemical Bonding And Molecular Structure Question 380

Question: The number of sigma and pi bonds in 1-butene-3-yne are

Options:

A) 5 sigma and 5 pi

B) 7 sigma and 3 pi

C) 8 sigma and 2 pi

D) 6 sigma and 4 pi

Show Answer

Answer:

Correct Answer: B

Solution:

$ H-C\equiv C-\overset{\overset{H}{\mathop{|}},}{\mathop{C}},=\underset{\underset{H}{\mathop{|}},}{\overset{\overset{H}{\mathop{|}},}{\mathop{C}}}, $



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