Organic Chemistry Basics Result Question 47

47. The number of sigma and pi-bonds in 1-butene 3-yne are

(a) 5 sigma and $5 \mathrm{pi}$

(b) 7 sigma and 3 pi

(c) 8 sigma and 2 pi

(d) 6 sigma and 4 pi

(1989, 1M)

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Answer:

Correct Answer: 47. ( b )

Solution: