Acid and Bases definition

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Chaleah Duran
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Joined: Fri Sep 24, 2021 5:44 am

Acid and Bases definition

Postby Chaleah Duran » Sun Dec 05, 2021 3:27 pm

Can someone please explain the differences between the definition between Lewis, Bronstead, and Arrhenius definitions of acids and basese becuase they are quite similar and I have trouble differentiating between the two.

Xuan Lai 1H
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Joined: Fri Sep 24, 2021 5:13 am
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Re: Acid and Bases definition

Postby Xuan Lai 1H » Sun Dec 05, 2021 3:29 pm

Arrhenius refers to a solution in water, so Arrhenius acids are those that raise the number of [H+] in a solution while an Arrhenius base raises the concentration of [OH-]. Lewis acids are electron acceptors while Lewis bases are electron donors; and finally, Bronsted Acids are proton donors, whereas Bronsted Bases are proton acceptors. Hope this helps!

radhika singh 1A
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Joined: Fri Sep 24, 2021 5:51 am

Re: Acid and Bases definition

Postby radhika singh 1A » Sun Dec 05, 2021 3:31 pm

Bronstead Acids can donate a proton (H+)
Bronstead bases accept a proton (H+)

Lewis Acids accept a lone pair
Lewis Bases donate donate a lone pair

the bronstead acid/base definition is very similar to arrhenius acid base definitions

Isabelle Kludt 2B
Posts: 98
Joined: Fri Sep 24, 2021 6:47 am

Re: Acid and Bases definition

Postby Isabelle Kludt 2B » Sun Dec 05, 2021 3:31 pm

Bronsted acid is a proton donor and Lewis acid is an electron acceptor. They are both acids and very similar but different ways to define them.

005801694
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Joined: Fri Sep 24, 2021 5:15 am

Re: Acid and Bases definition

Postby 005801694 » Sun Dec 05, 2021 3:32 pm

The Lewis definition pertains to the electrons pairs while the Bronsted definition pertains to the proton. A lewis acid accepts an electron pair while a lewis base donates an electron pair. A Bronsted acid donates a proton (H+) while a Bronsted base accepts a proton (H+). The lewis definition is more broad than the bronsted definition.

LillianHarvey2C
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Joined: Fri Sep 24, 2021 5:41 am

Re: Acid and Bases definition

Postby LillianHarvey2C » Sun Dec 05, 2021 3:37 pm

A good way I remember that Bronsted refers to protons and Lewis refers to electrons is to remember that Lewis structures show the electron arrangement. :)

Alyssa Gutierrez 3A
Posts: 103
Joined: Fri Sep 24, 2021 6:35 am

Re: Acid and Bases definition

Postby Alyssa Gutierrez 3A » Sun Dec 05, 2021 3:54 pm

Properties of Acids:
1. sour taste.
2. pH <7
3. Are electron pair acceptors
4. Brownsted Lowry Acids are H+ donors

Properties of Bases:
1. taste bitter
2. pH >7
3. Electron pair donors
4. Brownsted Lowry Bases are H+ acceptors

Omar Alkhalili 1J
Posts: 103
Joined: Fri Sep 24, 2021 7:34 am

Re: Acid and Bases definition

Postby Omar Alkhalili 1J » Sun Dec 05, 2021 4:05 pm

Hello! Bronstead-Lowry bases accept an H+(proton) and Bronstead-Lowry acids donate the H+ (proton). Lewis bases donate a lone pair of electrons, while lewis acids accept a lone pair of electrons.


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