Advertisements
Advertisements
प्रश्न
With reference to water and ammonia as compounds respectively, state the valency of oxygen and nitrogen.
Advertisements
उत्तर
With reference to water (H2O) and ammonia (NH3):
- Valency of oxygen = 2, because it combines with two hydrogen atoms in water.
- Valency of nitrogen = 3, because it combines with three hydrogen atoms in ammonia.
APPEARS IN
संबंधित प्रश्न
Write the molecular formula of the following compounds of Sulphur trioxide.
Find the number and names of elements present in them and calculate their molecular masses.
Write the molecular formula of the following compounds of Iron (II) sulphide and.
Find the number and names of elements present in them and calculate their molecular masses.
Write the molecular formulae for the following compounds and name the elements present of Nitric acid.
Write the molecular formulae of Hydrogen nitrate (nitric acid).
Write the molecular formulae of Hydrogen sulphate (sulphuric acid).
Copper having electronic configuration 2,8,18,1 exhibits variable valency. Give a reason for the same and name the compound CuCI and CuCl2.
Write the chemical formula of the following compound in a step-by-step manner –
Zinc hydroxide
Write the chemical formula of the following compound in a step-by-step manner –
Potassium permanganate
Write the chemical formula of the following compound in a step-by-step manner –
Iron [III] chloride
Write the chemical formula of the following compound in a step-by-step manner –
Iron [II] hydroxide
