Bronsted vs Lewis Acid

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Tracy Tolentino_2E
Posts: 111
Joined: Sat Sep 07, 2019 12:17 am

Bronsted vs Lewis Acid

Postby Tracy Tolentino_2E » Sat Dec 07, 2019 8:37 pm

How can you tell if an acid is a Bronsted acid or a lewis acid? Can an acid be considered both or does it have to be or the other?

Brian J Cheng 1I
Posts: 92
Joined: Thu Jul 11, 2019 12:15 am

Re: Bronsted vs Lewis Acid

Postby Brian J Cheng 1I » Sat Dec 07, 2019 8:43 pm

Acids are by definition both Bronsted and Lewis. The two different "types" are just different ways of looking at acid function. Acids traditionally combine with water molecules and result in the loss of an H+ proton, which binds to water to form the acidic H3O+ hydronium ion. However, this action can be viewed differently: Bronsted, who thought this was the "donation of a proton", and Lewis, who saw this as the "acceptance of an electron pair".

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