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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
Name the following radicals :
OH
Write the names of `"NH"_4"OH"` compounds :
Write the names of `"ZnCl"_2 ` compounds :
Fill in the following blank with suitable word:
The particle which is formed by the loss of electrons by an atom is called..............
Fill in the following blank with suitable word:
A potassium ion has positive charge because it contains less............... than.....................
An element X has a valency of 2. Write the simplest formula for oxide of the element.
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 ?
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
Give example.
Bivalent acidic radicals
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.
Stannic oxide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Magnesium phosphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Potassium manganate
Differentiate between the following with suitable examples- A basic radical and an acid radical
State if the following element or radical is divalent?
Lithium
State if the following element or radical is divalent?
Nickel
State if the following element or radical is divalent?
Ammonium
State if the following element or radical is divalent?
Sulphite
State if the following element or radical is divalent?
Nitride
