Question

what is the valency of sulphite

Answer 1

The chemical formula of Sulphite is SO₃⁻²

It has an overall charge of -2

Answer 2

Valency of Sulphite is -2.

Explanation:

• The composition of Sulphite is $SO_3.$

• It is used for the processing of other reactions with the help of other ions to preserve food or even to produce the best taste, appearance, colour, texture, aroma in some foods.

• This ion is having three oxygen elements and only one Sulphur element, with which the bonding takes place.

• The Sulphur present in this loses 6 elements to form bonds with the other three oxygen atoms.

• But because of resonance there will be only 4 paired electrons and a lone pair of electrons will be remained without bondage. So the valency will be -2.

Learn more about  Valency

give reasons

a.in hydrogen chloride the valency of the element chlorine is considered as one.

b.certain metals exhibit more than one valency hence showing 'variable valency'

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If the valency of oxygen is 2, derive the valencies of the other elements present in the following oxides:

a) Sodium oxide (Na2O),Zinc oxide(Zno),Lead oxide(PbO),Aluminium oxide(Al2O3)and Calcium oxide(CaO)

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