Question

$Cr{O}_5$ has two $(-O-O)$ bonds. Oxidation state of $Cr$ in $Cr{O}_5$ is:

• A. $+5$
• B. $+3$
• C. $+6$
• D. $-10$

Answer 1

Answer: (C)

$Cr{O}_5$ has 2 peroxy linkage.