What is the oxidation state of sulfur in H2SO4? A +2 B +4 C +6 D +8 ✓ Correct Answer: Option C H is +1 (×2 = +2), O is −2 (×4 = −8). For neutrality: +2 + S + (−8) = 0 → S = +6. Practice MCAT Exam Prep Quizzes → Browse All Questions Study Flashcards