Oxidation number of S in SO₄²⁻ is
- A
+4
- Bcheck_circle
+6
- C
−2
- D
+2
Explanation
O is −2 each (×4 = −8); total charge is −2 → S = +6.
AP Chemistry· difficulty 2/5
Oxidation number of S in SO₄²⁻ is
+4
+6
−2
+2
Explanation
O is −2 each (×4 = −8); total charge is −2 → S = +6.
Want 10 more like this — adaptive to your weak spots?