Question

The oxidation states of the most electronegative element in the products of the reaction, BaO₂ with dil. H₂SO₄ is
(a) 0 and –1
(b) –1 and –2
(c) –2 and 0
(d) –2 and –1

Answer 1

b is option bcoz oxygen has -2 oxidation state which is most electronegative in 2nd one that is h2so4