NEET Chemistry Oxidation Number Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Oxidation of I – | (i) MnO 4 – to MnO 2 |
| (b) Reduction of Cr 2 O 7 2– | (ii) I 2 formation |
| (c) Oxidation of Fe 2+ | (iii) Cr 3+ formation |
| (d) Reduction of MnO 4 – | (iv) Fe 3+ formation |
a-ii, b-iii, c-iv, d-i
a-ii, b-i, c-iv, d-iii
a-i, b-ii, c-iv, d-iii
a-ii, b-iii, c-iii, d-i
Correct Answer
Detailed Explanation
The oxidation of iodide ions (I –) to iodine (I 2) aligns with option (a) to (ii), while the reduction of dichromate (Cr 2 O 7 2–) to chromium (Cr 3+) matches (b) to (iii). The oxidation of iron ions (Fe 2+) to ferric ions (Fe 3+) corresponds to (c) to (iv), and the reduction of permanganate (MnO 4 –) to manganese dioxide (MnO 2) is correct for (d) to (i).
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