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प्रश्न
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
उत्तर
Barium sulphate
Acidic radical SO42-
Basic radical Ba2+
Chemical formulae BaSO4
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संबंधित प्रश्न
Fill in the following blank with suitable word:
The particle which is formed by the loss of electrons by an atom is called..............
An element X has a valency of 2. Write the simplest formula for oxide of the element.
What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
The valencies (or charges) of some of the ions are given below :
| Ion | Valency (Charge) | Ion | Valency (Charge) |
| Sodium ion | 1+ | Bromide ion | 1– |
| Ammonium ion | 1+ | Hydroxide ion | 1– |
| Calcium ion | 2+ | Sulphate ion | 2– |
| Lead ion | 2+ | Phosphate ion | 3– |
Using this information, write down the formulae of the following compounds :
(i) Sodium phosphate
(ii) Ammonium sulphate
(iii) Calcium hydroxide
(iv) Lead bromide
Give example.
Composite radicals
Give example.
Trivalent basic radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Ferrous sulphide
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 |
State if the following element or radical is divalent?
Bromide
State if the following element or radical is divalent?
Chromium
