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प्रश्न
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Potassium ferrocyanide
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उत्तर
Potassium ferrocyanide
Acidic radical [Fe(CN)6]4-
Basic radical K1+
Chemical formulae K4[Fe(CN)6]
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संबंधित प्रश्न
Write the names of `"ZnCl"_2 ` compounds :
Define ‘formula mass’ of a compound.
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.
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
What is an ion ? How is an ion formed ? Explain with the help of two examples of different ions.
Give example.
Bivalent acidic radicals
Complete the following table.
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Acid Radicals `→` |
Chloride |
Nitrate |
Sulphate |
Carbonate |
Hydroxide |
Phosphate |
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Basic Radicals `↓` |
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Magnesium |
MgCl2 |
Mg(NO3)2 |
MgSO4 |
MgCO3 |
Mg(OH)2 |
Mg3(PO4)2 |
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Sodium |
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Zinc |
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Silver |
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Ammonium |
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Calcium |
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Iron (II) |
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Potassium |
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Fill in the blank:
A radical with one atom of sulphur and three atoms of oxygen are __________.
State if the following element or radical is divalent?
Bromide
State if the following element or radical is divalent?
Bisulphite
