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Among Al(2)O,SiO(2),P(2)O(3) and So(2) t...

Among `Al_(2)O,SiO_(2),P_(2)O_(3)` and `So_(2)` the correct order of acid strength is

A

`SiO_(2) lt SO_(2) lt A1_(2)O_(3) lt P_(2)O_(3)`

B

`A1_(2)O_(3) lt SiO_(2) lt SO_(2) lt P_(2)O_(3)`

C

`SO_(2) lt P_(2)O_(3) lt SiO_(2) lt A1O_(3)`

D

`A1_(2)O_(3) lt SiO_(2) lt P_(2)O_(3) lt SO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Acidic strength increases with the increase of nonmetallic character which increases as we move across the period. Thus, the correct order is
`A1_(2)O_(3) gt SiO_(2) lt P_(2)O_(3) lt SO_(2)`
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R SHARMA-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN ELEMENTS-Level
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