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प्रश्न
Write the names of `"CuCo"_3` compounds :
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उत्तर
`"CuCo"_3` - Copper Carbonate
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संबंधित प्रश्न
Name the following radicals :
OH
Tick (√) the correct answer.
The sulphate radical is written as S042-. What is the formula of calcium sulphate ?
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
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
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.
Basic radicals
Give example.
Trivalent basic radicals
State if the following element or radical is divalent?
Sulphite
State if the following element or radical is divalent?
Chromium
State if the following element or radical is divalent?
Dichromate
