What will be the oxidation number of Cl in HClO4?

3

Questions Match

1.
What will be the oxidation number of Cl in HClO₄?

1. +52. +33. +14. +7

2.
The oxidation number of sulphur in H₂SO₄ is

1. + 72. + 63. – 64. + 4

3.
The oxidation state of oxygen in following reaction changes, K + O₂ → KO₂

1. From 0 → –12. From 0 → –1/23. From 0 → –24. From 0 → +1

What will be the oxidation number of Cl in HClO4?