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प्रश्न
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic phosphate
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उत्तर
Stannic phosphate
Acidic radical (PO4)3-
Basic radical Sn4+
Chemical formulae Sn3(PO4)4
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संबंधित प्रश्न
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
Write the names of `"CuCo"_3` compounds :
Fill in the following blank with suitable word:
The particle which is formed by the loss or gain of electrons by an atom is called..............
Fill in the following blank with suitable word:
A sulphide ion has negative charge because it contains less ....................... than ...................
The valencies (or charges) of some of the ions are given below :
Ion Valency Ion Valency (Charge) (Charge)
Sodium ion 1+ Nitrate ion 1–
Copper ion 2+ Sulphide ion 2–
Using this information, write down the formulae of :
- Sodium sulphide
- Copper nitrate
Give example.
Bivalent acidic radicals
Write symbols of the following elements and the radicals obtained from them and indicate the charge on the radicals.
Mercury, potassium, nitrogen, copper, sulphur, carbon, chlorine, oxygen
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium thiosulphate
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?
Ammonium
