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प्रश्न
Give example.
Trivalent basic radicals
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उत्तर
Al3+, Cr3+, Fe3+, Au3+
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संबंधित प्रश्न
What are polyatomic ions? Give examples.
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
Name the following radicals :
SO42
Name the following radicals :
HC03
Name the following radicals :
OH
Name the following radicals :
Cr2072
Write the names of `"NH"_4"OH"` compounds :
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
Fill in the following blank with suitable word:
A sulphide ion has negative charge because it contains less ....................... than ...................
What is the difference between a cation and an anion ? Explain with examples.
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
What do you understand by the following terms?
Acid radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Potassium ferrocyanide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic phosphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Nickel bisulphate
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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Name the following:
The radical containing one nitrogen and four hydrogen atoms.
State if the following element or radical is divalent?
Lithium
State if the following element or radical is divalent?
Bisulphite
