Amphoteric Compounds - do we need to memorize them?

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Alan Wu
Posts: 61
Joined: Sat Sep 14, 2019 12:16 am

Amphoteric Compounds - do we need to memorize them?

Postby Alan Wu » Sat Nov 30, 2019 11:07 pm

Are we required to memorize all the amphoteric oxides shown in Figure 6A.7 on page 450 for the final exam?

And what exactly do we have to know about amphoteric compounds? Is it the fact that they can react with both acids and bases?

Let's say we're given an oxide and we're unsure if it's amphoteric or not. How exactly do we determine whether it can react with both acids and bases?

Matt F
Posts: 100
Joined: Sat Aug 17, 2019 12:17 am

Re: Amphoteric Compounds - do we need to memorize them?

Postby Matt F » Sun Dec 01, 2019 1:11 pm

I would be familiar with those elements involved, but I don't know if you need to fully memorize them. To determine if an element is amphoteric, you can look chemical reactions involving them to see if they are capable of acting as both an acid and a base (able to donate or accept a proton when necessary). Examples not on that table could be H20 or HCO3-

Dan M -3E
Posts: 101
Joined: Wed Sep 18, 2019 12:19 am

Re: Amphoteric Compounds - do we need to memorize them?

Postby Dan M -3E » Sun Dec 01, 2019 2:17 pm

There are only a few amphoteric compounds, so it probably wouldn't be hard to memorize them just in case, or at least be familiar with them


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