💊 PCAT Exam Prep

What is the oxidation state of sulfur in H₂SO₄?

A +4
B +6
C +2
D −2

✓ Correct Answer: Option B

In H₂SO₄: H = +1 (×2=+2), O = −2 (×4=−8). S must be +6 so that +2 + 6 + (−8) = 0.

Related PCAT Exam Prep Questions