Advertisements
Advertisements
प्रश्न
The valency of aluminium is 3. Write the valency of other radicals present in the following compound.
Aluminium chloride
Advertisements
उत्तर
Aluminium chloride, (AlCl3) here valency of Al is 3.
Other radical – Chloride (Cl–)
Valency of chloride = 1
APPEARS IN
संबंधित प्रश्न
Write the molecular formulae of Copper oxide.
Define of Molecular formula.
Write the molecular formula for the oxide and sulphide of following elements of Sodium.
A solution of a substance ‘X’ is used for white washing.
(a) Name the substance ‘X’ and write its formula.
(b) Write the reaction of the substance ‘X’ named in (a) above with water.
Write the molecular formulae of Magnesium carbonate.
Write the molecular formulae of Ammonium carbonate.
Write the chemical formula of the following compound in a step-by-step manner –
Potassium chloride
Write the chemical formula of the following compound in a step-by-step manner –
Copper [I] sulphide
Write the chemical formula of the following compound in a step-by-step manner –
Iron [III] chloride
Match the compounds in List I – 1 to 20 with their correct formulas in List II – A to T.
| List I | List II |
| 1. Copper [I] sulphide | A: KMnO4 |
| 2. Potassium permanganate | B: Mg3N2 |
| 3. Phosphoric acid | C: Mg(NO3)2 |
| 4. Copper [I] oxide | D: Al2(SO4)3 |
| 5. Carbonic acid | E: Na2ZnO2 |
| 6. Aluminium sulphide | F: N2O |
| 7. Iron [II] oxide | G: H2CO3 |
| 8. Iron [III] sulphide | H: Al2S3 |
| 9. Iron [II] sulphate | I: NO |
| 10. Sodium zincate | J: FeS |
| 11. Nitrous oxide | K: Fe2S3 |
| 12. Aluminium sulphate | L: H3PO4 |
| 13. Magnesium nitride | M: Cu2S |
| 14. Iron [III] sulphate | N: CuS |
| 15. Copper [II] oxide | O: Fe2O3 |
| 16. Iron [III] oxide | P: FeO |
| 17. Nitric oxide | Q: FeSO4 |
| 18. Copper [II] sulphide | R: Fe2(SO4)3 |
| 19. Iron [II] sulphide | S: CuO |
| 20. Magnesium nitrate | T: Cu2O |
