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Chemistry

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

(a) Aluminium chloride

(b) Aluminium oxide

(c) Aluminium nitride

(d) Aluminium sulphate

Valency

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Answer

CompoundsRadicalValency
Aluminium chloride (AlCl3)Chloride (Cl-)1
Aluminium oxide (Al2O3)Oxide (O2-)2
Aluminium nitride (AlN)Nitride (N3-)3
Aluminium sulphate (Al2(SO4)3)Sulphate (SO42-)2

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