Organic Chemistry Basics 2 Question 47
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47. The number of sigma and pi-bonds in 1-butene 3 -yne are
======= ####47. The number of sigma and pi-bonds in 1-butene 3 -yne are
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed (a) 5 sigma and 5 pi
(b) 7 sigma and 3 pi
(c) 8 sigma and 2 pi
(d) 6 sigma and 4 pi
$(1989,1 \mathrm{M})$