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 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 December 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]