Advertisements
Advertisements
प्रश्न
Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
Advertisements
उत्तर
| Radicals | Valency |
| (i) Sulphate SO4 | 2 |
| (ii) Carbonate CO3 | 2 |
| (iii) Hydroxide OH4 | 1 |
| (iv) Dichromate Cr2O7 | 2 |
APPEARS IN
संबंधित प्रश्न
What are polyatomic ions? Give examples.
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
Name the following radicals :
OH
Name the following radicals :
Cr2072
Write the names of `"CuCo"_3` compounds :
Write the names of `"NH"_4"OH"` compounds :
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Calcium silicate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Magnesium phosphate
State if the following element or radical is divalent?
Lithium
State if the following element or radical is divalent?
Permanganate
