Advertisements
Advertisements
प्रश्न
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).
Bisulphite
Advertisements
उत्तर
| Name | Symbol | Ion | Valency |
| Bisulphite | \[\ce{[HSO3]}\] | \[\ce{[HSO3]^{1-}}\] | −1 |
APPEARS IN
संबंधित प्रश्न
What is the significance of the symbol of an element ? Explain with the help of an example.
The Latin language name of an element is natrium. The English name of this element is :
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
In the chemical word equation – Zinc + Sulphuric acid → Zinc sulphate + Hydrogen
The molecular equation is :
Zn + H2SO4 → ZnSO4 + H2[g].
State what [g] represents.
Give the symbol of the following element:
Sulphur [sulphide]
Give the symbol of the following element:
Calcium
Give the symbol of the following element:
Lead
Give the symbol of the following element:
Iodine
Give the formula of the following gas:
Nitrogen
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Copper
write symbol with the variable valency
