Oxidation numbers of carbon in and are respectively:

CHEMISTRY · Single correct · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

Oxidation numbers of carbon in

\text{C}_3\text{O}_2

and

\text{Mg}_2\text{C}_3

are respectively: (1)

+\frac{2}{3},-\frac{2}{3}

(2)

+\frac{4}{3},-\frac{4}{3}

(3)

-\frac{4}{3},+\frac{4}{3}

(4)

-\frac{2}{3},+\frac{2}{3}