Question

The sum of sigma (σ) and pi (π) bonds in Hex-1,3-dien-5-yne is:

Hint:

Count sigma and pi bonds separately for each single, double, and triple bond in the molecular structure.

Answer 1

Correct Answer: 17

- Hex-1,3-dien-5-yne has the structure: \[ \text{CH}_2\text{=C}(\text{CH}_3)\text{-C}(\text{H})\text{=C}(\text{H})\text{-C}\equiv\text{CH} \] - The total number of sigma (σ) and pi (π) bonds can be calculated based on the structure.
- Each double bond consists of 1 sigma and 1 pi bond, and each triple bond consists of 1 sigma and 2 pi bonds.
- Counting the bonds in the structure gives 17 bonds in total. Thus, the sum of sigma and pi bonds is 17.