MCQOPTIONS
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| 1. |
Match List-I (Oxidation number) with List II (The element) and select the correct answer using the codes given below the lists : [IAS Prelim]List-I (Oxidation number)List-II (The elements)A. 2 Mn in \[Mn{{O}_{2}}\]1. Oxidation number ofB. 3 S in \[{{H}_{2}}{{S}_{2}}{{O}_{7}}\]2. Oxidation number ofC. 4 Ca in CaO3. Oxidation number ofD. 6 AI in \[NaAI{{H}_{4}}\]4. Oxidation number of |
| A. | A-3; B-4; C-1; D-2 |
| B. | A-4; B-3; C-1; D-2 |
| C. | A-3; B-4; C-2; D-1 |
| D. | A-4; B-3; C-2; D-1 |
| Answer» B. A-4; B-3; C-1; D-2 | |