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प्रश्न
What do you understand by the following terms?
Acid radical
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उत्तर
Acid radical: The electronegative or negatively charged radical is called an acid radical.
Examples: Cl-, O2-
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संबंधित प्रश्न
Write the symbols and valencies of the following radicals:
- Magnesium ion
- Ammonium
- Carbonate
- Nitrate
- Oxide
- Bisulphate
- Aluminium ion
Write the names of `"NH"_4"OH"` compounds :
Write the names of `"ZnCl"_2 ` 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.
The valencies (or charges) of some of the ions are given below :
| Ion | Valency (Charge) | Ion | Valency (Charge) |
| Sodium ion | 1+ | Bromide ion | 1– |
| Ammonium ion | 1+ | Hydroxide ion | 1– |
| Calcium ion | 2+ | Sulphate ion | 2– |
| Lead ion | 2+ | Phosphate ion | 3– |
Using this information, write down the formulae of the following compounds :
(i) Sodium phosphate
(ii) Ammonium sulphate
(iii) Calcium hydroxide
(iv) Lead bromide
Give example.
Positive radicals
Give example.
Trivalent basic radicals
What do you understand by the following terms?
Basic radical
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
State if the following element or radical is divalent?
Bisulphite
