The Valency of Aluminium is 3. Write the Valency of Other Radicals Present in the Following Compounds of Aluminium Oxide.

The valency of aluminium is 3. Write the valency of other radicals present in the following compounds of Aluminium oxide.

Aluminium oxide — (Al₂O₃)
Here valency of Al is 3
Other radical present = oxide (O^2-)
Valency of O^2- = 2

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पाठ 5: Language of Chemistry - Exercise [पृष्ठ ६७]

पाठ 5 Language of Chemistry
Exercise | Q 5.2 | पृष्ठ ६७

Write the molecular formula of the following compounds of Ammonia

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 Baking soda.

What is variable valency ? Give two examples of elements showing variable valency.

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 –

Potassium nitrate

Write the chemical formula of the following compound in a step-by-step manner –

Potassium sulphate

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