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प्रश्न
What do you understand by the following terms?
Basic radical
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उत्तर
Basic radical: The electropositive or positively charged radical is called a basic radical.
Examples: K+, Na+v
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संबंधित प्रश्न
How many atoms are present in a PO43− ion?
Name the following radicals :
SO42
Write the names of ZnS compounds :
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
Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion ?
Fill in the blank:
Sodium chloride has two radicals. Sodium is a _____ radical while chloride is _____ radical.
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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Differentiate between the following with suitable examples- A basic radical and an acid radical
State if the following element or radical is divalent?
Nitride
State if the following element or radical is divalent?
Carbide
