amphoteric versus amphiprotic

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Sarah Blake-2I
Posts: 132
Joined: Fri Aug 30, 2019 12:16 am

amphoteric versus amphiprotic

Postby Sarah Blake-2I » Wed Dec 04, 2019 10:22 pm

Can someone explain the difference between amphoteric and amphiprotic? What is the difference and what topic does this apply to?

Ryan 1K
Posts: 75
Joined: Fri Aug 09, 2019 12:15 am

Re: amphoteric versus amphiprotic

Postby Ryan 1K » Wed Dec 04, 2019 10:27 pm

Amphiprotic substances can donate or accept H+. This means they are also amphoteric since they can act as either an acid or a base. However, amphoteric substances make up a broader category than amphiprotic substances. This is because there are different definitions of acids and bases (Lewis, Bronsted, Arrhenius). Because of this variation, not all amphoteric substances are amphiprotic, though all amphiprotic substances are amphoteric. Other types of amphoteric substances may only donate and accept electrons instead of H+. As such, they would be amphoteric, but not amphiprotic.


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