Question

Calculate the number of sigma bonds and pi bonds present in the
following molecules.
i. 2-Methylbut-2-ene ii. Ethane nitrile iii. Acetone. iv. Formaldehyde

Answer 1

• Hence, there are three sigma and two pi-bonds in C2H2. The structure of C2H4 can be represented as: Hence, there are five sigma bonds and one pi-bond in C2H4.
• you have 1 sigma and 1 pi. in ch2=c=ch2, you have one more double bond that is 1 sigma and 1 pi.
• There are 8 sigma bonds and 2 pi bonds.
• So, The number of sigma and π bonds present in pent-2-en-4-yne are:10 σ bonds and 3πbonds.