Amphoteric  [ENDORSED]

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Cristian Carrasco 1F
Posts: 52
Joined: Fri Sep 29, 2017 7:06 am

Amphoteric

Postby Cristian Carrasco 1F » Sat Dec 09, 2017 12:01 am

How do you know whether an oxide is an acid, base or amphoteric??

Christy Lee 2H
Posts: 73
Joined: Fri Sep 29, 2017 7:07 am
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Re: Amphoteric

Postby Christy Lee 2H » Sat Dec 09, 2017 12:39 am

Metal oxides tend to be bases, while non-metal oxides tend to be acids. There is a diagonal band similar to the metalloid band and those oxides are amphoteric. I think you can find that in the textbook.

Brigita1D
Posts: 20
Joined: Fri Sep 29, 2017 7:06 am

Re: Amphoteric

Postby Brigita1D » Sun Dec 10, 2017 9:53 am

The amphoteric compounds include
Ga2O3, SnO2, Sb2O5, BeO, Al2O3,PbO2

JonathanLam1G
Posts: 25
Joined: Fri Sep 29, 2017 7:04 am

Re: Amphoteric

Postby JonathanLam1G » Sun Dec 10, 2017 10:14 am

Do amphoteric compounds encompass amphiprotic compounds as well?

Justin Lai 1C
Posts: 50
Joined: Fri Sep 29, 2017 7:04 am

Re: Amphoteric  [ENDORSED]

Postby Justin Lai 1C » Sun Dec 10, 2017 8:44 pm

Yes, amphiprotic compounds are included in amphoteric compounds because they can act as an acid or base. Amphiprotic compounds act as acids or bases by either donating or receiving protons.


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