Question

Which one of the following oxides is neutral?

• A. CO
• B. $SnO_2$
• C. ZnO
• D. $SiO_2$

Answer 1

Answer: (A)

CO

Answer 2

CO is a neutral oxide of carbon. ${SnO_2}$ and ${ZnO}$ are amphoteric while ${SiO_2}$ is acidic in nature.