Among Al 2 O 3- SiO 2- P 2 O 3 and SO 2 the correct order of acid strength is-A- Al 2 O 3- SiO 2- SO 2- P 2 O 3B- SO 2- P 2 O 3- SiO 2- Al 2 O 3C- SiO 2- SO 2- Al 2 O 3- P 2 O 3D- Al 2 O 3- SiO 2- P 2 O 3- SO 2

The correct option is D Al_2O_3 lt; SiO_2 lt; P_2O_3 lt;SO_2Metallic oxides are basic in nature and non metallic oxides are acidic in nature. In gener ...

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Standard XII

Chemistry

Scales of Electronegativity

Among Al 2 O ...

Question

Among $A l_{2} O_{3}$ , $S i O_{2}$ , $P_{2} O_{3}$ and $S O_{2}$ the correct order of acid strength is:

A l_{2} O_{3} < S i O_{2} < S O_{2} < P_{2} O_{3}

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S O_{2} < P_{2} O_{3} < S i O_{2} < A l_{2} O_{3}

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S i O_{2} < S O_{2} < A l_{2} O_{3} < P_{2} O_{3}

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A l_{2} O_{3} < S i O_{2} < P_{2} O_{3} < S O_{2}

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Solution

The correct option is D $A l_{2} O_{3} < S i O_{2} < P_{2} O_{3} < S O_{2}$
Metallic oxides are basic in nature and non-metallic oxides are acidic in nature.
In general, as non-metallic character increases across the period, and hence the acidic character of their oxides increases. Therefore, correct order of acidic strength is: $A l_{2} O_{3} < S i O_{2} < P_{2} O_{3} < S O_{2}$

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Scales of Electronegativity

Standard XII Chemistry

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Among Al2O3, SiO2, P2O3 and SO2 the correct order of acid strength is:

Among $A l_{2} O_{3}$ , $S i O_{2}$ , $P_{2} O_{3}$ and $S O_{2}$ the correct order of acid strength is: