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प्रश्न
Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
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उत्तर
| Radicals | Valency |
| (i) Sulphate SO4 | 2 |
| (ii) Carbonate CO3 | 2 |
| (iii) Hydroxide OH4 | 1 |
| (iv) Dichromate Cr2O7 | 2 |
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संबंधित प्रश्न
Name the following radicals :
HC03
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Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
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Match the radicals in List I with their correct names from List II.
| List I | List II | |
| 1. `"NO"_3^(1-)` | A: Bisulphite | F: Sulphate |
| 2. `"HSO"_4^(1-)` | B: Phosphate | G: Nitrate |
| 3. `"SO"_4^(2-)` | C: Carbonate | H: Phosphite |
| 4. `"PO"_4^(3-)` | D: Nitrite | I: Sulpite |
| 5. `"HCO"_3^(1-)` | E: Bicarbonate | J: Bisulphate |
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