Advertisements
Advertisements
प्रश्न
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
Advertisements
उत्तर
Lead has variable valency 2 and 4
| \[\ce{Pb^{2+}}\] | \[\ce{Pb^{4+}}\] |
| Plumbous | Plumbic |
OR
| \[\ce{Pb[II]}\] | \[\ce{Pb[IV]}\] |
APPEARS IN
संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
The atomic number of an element X is 13. What will be the number of electrons in its ion X3+ ?
Give the symbol and the number of atoms of the following elements present in sodium chloride.
Give the symbol of the following element:
Sulphur [sulphide]
Give the formula of the following gas:
Ammonia
Define the term ‘valency’.
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Aluminate
State why the molecular formula of zinc carbonate is ZnCO3 .
Define Alchemy.
The name copper was taken from ______.
