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प्रश्न
Name the following radicals :
SO42
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उत्तर
SO42- = Sulphate
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संबंधित प्रश्न
What are polyatomic ions? Give examples.
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
What is the difference between a cation and an anion ? Explain with examples.
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
What do you understand by the following terms?
Acid radical
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 compound.
Nickel bisulphate
Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
Differentiate between the following with suitable examples- A basic radical and an acid radical
State if the following element or radical is divalent?
Lithium
