Recognizing Amphoteric Compounds

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Layal Suboh 1I
Posts: 61
Joined: Fri Sep 28, 2018 12:23 am

Recognizing Amphoteric Compounds

Postby Layal Suboh 1I » Fri Dec 07, 2018 10:07 pm

What makes certain elements have acid or basic quality in certain compounds? Also, is there a way to know whether something is amphoteric or not, or do we just have to memorize them?

Divya Pimparkar 1E
Posts: 30
Joined: Fri Sep 28, 2018 12:19 am

Re: Recognizing Amphoteric Compounds

Postby Divya Pimparkar 1E » Fri Dec 07, 2018 10:33 pm

You can look at the fact of whether it gains or loses a proton (the Brownsted/Lowry definition) or you can look at whether or not it loses/gains an electron pair (the Lewis definition). Also, amphoteric, you have to look at the fact if the compound acts like an acid and a base, so you use the brownsted/lowry definition/ or the lewis definition to look at the molecule to determine if it acts as both an acid and base.

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