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Select an incorrect match of the oxide and its nature from the following :

Option: 1

\mathrm{N_2O_3 : Acidic}


Option: 2

\mathrm{P_2O_3 : Acidic}


Option: 3

\mathrm{As_2O_3 : Acidic}


Option: 4

\mathrm{Bi_2O_3 : Basic}


Answers (1)

best_answer

As we have learnt, 

All elements of Group 15 form oxides of type \mathrm{E_2O_3}.

Out of these, oxides of Nitrogen and Phosphorus are acidic, oxides of Arsenic and Antimony are Amphoteric while the oxide of Bismuth is basic.

Therefore, \mathrm{As_2O_3} is amphoteric.

Hence, the answer is Option (3)

Posted by

Kuldeep Maurya

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