Question

The oxidation state of $Fe$ in $Fe(CO{)}_5$ is

• A. $0$
• B. $+2$
• C. $-2$
• D. $+6$

Answer 1

Answer: (A)

$\stackrel{0}{\mathrm{Fe}}(\stackrel{0}{C}O{)}_5$
Oxidation state of $Fe=0$