Naming Acids

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Meigan Wu 2E
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Joined: Fri Sep 28, 2018 12:29 am
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Naming Acids

Postby Meigan Wu 2E » Tue Dec 04, 2018 5:31 pm

Is there a method to naming acids, or do we just need to memorize them?

Lauren Ho 2E
Posts: 70
Joined: Tue Oct 09, 2018 12:16 am

Re: Naming Acids

Postby Lauren Ho 2E » Tue Dec 04, 2018 5:37 pm

From https://courses.lumenlearning.com/introchem/chapter/naming-acids-and-bases/

- Acids are named based on their anion — the ion attached to the hydrogen. In simple binary acids, one ion is attached to hydrogen. Names for such acids consist of the prefix “hydro-“, the first syllable of the anion, and the suffix “-ic”.

- Complex acid compounds have oxygen in them. For an acid with a polyatomic ion, the suffix “-ate” from the ion is replaced with “-ic.”

- Polyatomic ions with one extra oxygen (as compared to the typical polyatomic ion) have the prefix “per-” and the suffix “-ic.”

- Polyatomic ions with one fewer oxygen have the suffix “-ous”; ions with two fewer have the prefix “hypo-” and the suffix “-ous.”

- Strong bases with “-OH” (hydroxide) groups are named like ionic compounds. Weak bases are named like molecular compounds or organic compounds.


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