Advertisements
Advertisements
प्रश्न
Give the formula and valency of:
chromate ………….…….. .
उत्तर
chromate
Formula CrO4
Valency -2
APPEARS IN
संबंधित प्रश्न
The element having atomicity 'four' is most likely to be :
An element X has a valency of 4 whereas another element Y has a valency of 1. What will be the formula of the compound formed between X and Y ?
An element B shows valencies of 4 and 6. Write the formulae of its two oxides.
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
Give the formula and valency of:
| Aluminate | ______ | ______ |
Give the empirical formula of : Benzene C6H6
Give the empirical formula of Glucose C6H12O6 .
Name the element in the compound and give the formula of the following compound:
Acetic acid
Write the formula of the following compound:
Potassium sulphate
Write the formula of the following compound:
Potassium bicarbonate
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Calcium hydroxide
Write the formula of the following compound:
Aluminium chloride
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Iron [III] chloride
Write the formula of the following compound:
Lead [II] sulphate
Write the molecular formulae for the following compounds
Mercury (II) chloride
There is ______ oxygen atom is water molecule.
