Question

The compound which does not possess a peroxide linkage is:

• A. $N{a}_2{O}_2$
• B. $Cr{O}_5$
• C. $H_{2}S{O}_5$
• D. $Pb{O}_2$

Answer 1

Answer: (D)

$Pb{O}_2$ is not a peroxide. Peroxides contain $(--\text{O}--\text{O}--)$ linkage.