The oxidation state of A, B and C in a compound are +2, +5 and -2 respectively

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

Problem

The oxidation state of A, B and C in a compound are +2, +5 and -2 respectively. The compound is: (1)

\text{A}_2(\text{BC})_2

(2)

\text{A}_2(\text{BC})_3

(3)

\text{A}_3(\text{BC}_4)_2

(4)

\text{A}_2(\text{BC}_4)_3