Match List I (Oxdiation number) with List II (The element) and select the correct answer using the codes given below this lists: Codes: A B C D List I (Oxdiation number) — List II (The element); A. 2 — 1. Oxidation number of Mn in \(MnO_2\); B. 3 — 2. Oxidation number of S in \(H_2SO_4\); C. 4 — 3. Oxidation number of Ca in \(CaO_2\); D. 6 — 4. Oxidation number of Al in \(NaAlH_4\)
Options
(a)3 4 1 2
(b)4 3 1 2
(c)3 4 2 1
(d)4 3 2 1
The full breakdown is part of the paid archive
This question's answer, explanation and links to every related question across 48 years (1979–2026) are inside the app. The two most recent years are free to read in full — no account needed.
Independent UPSC previous-year-questions study tool — not affiliated with or endorsed by the UPSC. Question text is reproduced from publicly released UPSC examination papers. UPSCviaPYQs · Privacy · Terms