Question

Oxidation state of middle carbon in carbon suboxide is

• A. 0
• B. 1
• C. 2
• D. - 4

Answer 1

Answer: (A)

Structure of $C_3{O}_2:\stackrel{-2}{O}=\stackrel{+2}{C}=\stackrel{0}{C}=\stackrel{+2}{C}=\stackrel{-2}{O}$

Oxidation state of middle carbon is zero.