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प्रश्न
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
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उत्तर
Barium sulphate
Acidic radical SO42-
Basic radical Ba2+
Chemical formulae BaSO4
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संबंधित प्रश्न
Fill in the following blank with suitable word :
The particle which is formed by the gain of electrons by an atom is called ..............
What is the difference between a cation and an anion ? Explain with examples.
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 ?
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.
Trivalent basic radicals
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium zincate
Fill in the blank:
Sodium chloride has two radicals. Sodium is a _____ radical while chloride is _____ radical.
Name the following:
The radical containing one nitrogen and four hydrogen atoms.
State if the following element or radical is divalent?
Dichromate
State if the following element or radical is divalent?
Permanganate
