The oxidation state of the most electronegative element in the products of the reaction

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

Problem

The oxidation state of the most electronegative element in the products of the reaction,

\text{BaO}_2

with dil

\text{H}_2\text{SO}_4

are : (1) 0 and -1 (2) -1 and -2 (3) -2 and 0 (4) -2 and +1