Bronsted vs Lewis

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Chris Dis3L
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Joined: Fri Sep 28, 2018 12:25 am

Bronsted vs Lewis

Postby Chris Dis3L » Sun Dec 02, 2018 11:59 pm

Which is the more accurate way to identify a molecule as an acid or a base? Does the Bronsted definition encompass a wider range or application or does the Lewis definition? Are both definitions needed to properly perform experiments with acids and bases?

Posts: 62
Joined: Fri Sep 28, 2018 12:29 am

Re: Bronsted vs Lewis

Postby 904936893 » Mon Dec 03, 2018 9:09 am

I think in class it was stated that either definition will work for this class, and both sufficiently cover what we need to know.

Matthew Tran 1H
Posts: 165
Joined: Fri Sep 28, 2018 12:16 am

Re: Bronsted vs Lewis

Postby Matthew Tran 1H » Mon Dec 03, 2018 5:38 pm

The Lewis definition is more broad then the Bronsted definition. For example, BF3 is a Lewis acid because it accepts an electron pair from F- to form BF4-. However, it would not be classified as a Bronsted acid since it does not donate a proton.

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