# The total number of

Question:

The total number of $\mathrm{C}-\mathrm{C}$ sigma bond $/ \mathrm{s}$ in mesityl oxide $\left(\mathrm{C}_{6} \mathrm{H}_{10} \mathrm{O}\right)$ is______________. (Round off to the Nearest Integer).

Solution:

(5)

Mesityle oxide

$\therefore \quad \mathrm{C}_{\sigma} \mathrm{C}=5$