Question

The number of sigma bonds in $P_4{O}_{10}$ is:

• A. 6
• B. 7
• C. 17
• D. 16

Answer 1

The correct option is D 16

In $P_4{O}_{10}$, there are 4 sigma bonds per P-atom and thus there are 16 $\sigma$-bonds and four $\pi$-bonds in total.