Question

Among Al₂O₃, SiO₂, P₂O₃ and SO₂ the correct order of acid
strength is
(a) Al₂O₃ < SiO₂< SO₂ < P₂O₃
(b) SiO₂< SO₂ < Al2O₃ < P₂O₃
(c) SO₂< P₂O₃ < SiO₂ < Al₂O₃
(d) Al₂O₃ < SiO₂< P₂O₃ < SO₂

Answer 1

Answer:

I think it's c as per my calculations go for it

Answer 2

The correct order of acidic strength is 'Al₂O₃ < SiO₂ < P₂O₃ < SO₂'.

Option: (d)

Explanation:

• We all know that the difference of electro - negativity between element and oxygen decreases, whenever the acidic nature of the oxides increases.
•  This increase in electro - negativity results in increase in oxidation state.
• In general, there will be a increase in non – metallic character across the period which in turn increases the oxidation.
• Thus the correct order of the acidic strength will be as follows,

        Al₂O₃ < SiO₂ < P₂O₃ < SO₂.

To know more about acidic strength,

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