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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

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
Oxide of Al is amphoteric. `SO_(2)` is more acidic than `P_(2)O_(3)`. Therefore, correct order of acidic character is `Al_(2)O_(3) lt SiO_(2) lt P_(2)O_(3) lt SO_(2)`.
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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