Match the LIST-I with LIST-II.
| LIST-I | LIST-II | ||
| A. | Pnicogen (group 15) | I. | Ts |
| B. | Chalcogen (group 16) | II. | Og |
| C. | Halogen (group 17) | III. | Lv |
| D. | Noble gas (group 18) | IV. | Mc |
Choose the correct answer from the options given below :
This matching problem requires associating each entry in LIST-I with its corresponding item in LIST-II. The breakdown is as follows:
The matches with LIST-II are:
The correct solution is: A-IV, B-III, C-I, D-II

Why is \( Cr^{2+} \) strongly reducing while \( Mn^{3+} \) is strongly oxidizing?
| List - I(Block/group in periodic table) | List - II(Element) |
|---|---|
| (A) Lanthanoid | (I) Ce |
| (B) d-block element | (II) As |
| (C) p-block element | (III) Cs |
| (D) s-block element | (IV) Mn |