Advertisements
Advertisements
प्रश्न
Write the chemical formula of the following compound in a step-by-step manner –
Iron [III] oxide
Advertisements
उत्तर
Write the formula of
| Iron [III] oxide | Symbol | Valency |
| Iron | \[\ce{Fe}\] | \[\ce{3^{+}}\] |
| Oxide | \[\ce{O}\] | \[\ce{2^{-}}\] |
Step I – Write each symbol with its valency.
Positive ion is written first
\[\ce{Fe}^{3+}\] \[\ce{O}^{2-}\]
Step II – Interchange the valencies ignoring (+) and (−) signs.
The Formula is \[\ce{Fe2O3}\]
APPEARS IN
संबंधित प्रश्न
Write the molecular formulae of Copper oxide.
Define of Molecular formula.
The valency of aluminium is 3. Write the valency of other radicals present in the following compounds of Aluminium nitride
Write the molecular formulae of Iron (III) chloride
Write the molecular formulae of Lead (II) oxide – PbO.
Explain the term ‘variable valency’.
Write the chemical formula of the following compound in a step-by-step manner –
Sodium bromide
Write the chemical formula of the following compound in a step-by-step manner –
Potassium dichromate
Write the chemical formula of the following compound in a step-by-step manner –
Copper [I] sulphide
Complete the statement given below by filling in the blank with the correct word.
The formula of silver [I] chloride is ________.
