Advertisements
Advertisements
प्रश्न
Write the chemical formula of the following compound in a step-by-step manner –
Aluminium hydroxide
Advertisements
उत्तर
Write the formula of
| Aluminium hydroxide | Symbol | Valency |
| Aluminium | \[\ce{Al}\] | \[\ce{3^{+}}\] |
| Hydroxide | \[\ce{OH}\] | \[\ce{1^{-}}\] |
Step I – Write each symbol with its valency.
Positive ion is written first
\[\ce{Al}^{3+}\] \[\ce{[OH]}^{1-}\]
Step II – Interchange the valencies positive ion is written first.
The Formula is \[\ce{Al[OH]3}\]
APPEARS IN
संबंधित प्रश्न
Write the molecular formulae for the following compounds and name the elements present of Common salt.
Write the molecular formulae for the following compounds and name the elements present of Nitric acid.
The valency of aluminium is 3. Write the valency of other radicals present in the following compound.
Aluminium chloride
Write the molecular formulae of Ammonium carbonate.
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 –
Sodium zincate
Write the chemical formula of the following compound in a step-by-step manner –
Copper [II] oxide
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
Complete the statement given below by filling in the blanks with the correct words.
The valency of iron in FeO is _______ of chlorine [chloride] in CaCl2 is ________ and of dichromate in K2 Cr2 O7 is ________.
