Advertisements
Advertisements
Question
Write the molecular formulae for the following compounds
Iron (III) sulphide
Advertisements
Solution
Iron(III) sulphide – Fe2S3
APPEARS IN
RELATED QUESTIONS
An element X of valency 3 combines with another element Y of valency 2. What will be the formula of the compound formed ?
Give the formulae of the compounds formed from the following sets of elements :
- calcium and fluorine
- hydrogen and sulphur
- nitrogen and hydrogen
- carbon and chlorine
- sodium and oxygen
- carbon and oxygen
Define ‘formula unit’ of an ionic compound. What is the formula unit of (i) sodium chloride, and
(ii) magnesium chloride ?
An element A forms an oxide A2O5.
What will be the formula of chloride of A ?
Give the formula and valency of:
cupric ………………… .
Give the empirical formula of Acetylene C2H2
What is a chemical formula? What is the significance of a formula?give an example to illustrate?
Write the formula of the following compound:
Sodium sulphite
Write the formula of the following compound:
Tetra amine copper [II] sulphate
Which of the following represents a correct chemical formula? Name it.
BiPO4
