Naming Acids and Bases

Acids: ◦ a compound that contains one or more hydrogen

atoms and produces hydrogen ions (H+). Bases:

◦ An ionic compound that produced a hydroxide ion (OH-) when dissolved in water.

Naming Acids and Bases

Three Rules:◦ 1) When the name if an the anion end in –ide, the

acid name begins with hydro-. The end of the name has the suffix –ic and is following by the word acid.

◦ Example: HCl The anion is chloride goes to chloric Begins with hydro-. Goes to hydrochloric Followed by the word acid. Goes to hydrochloric

acid.

HCl is hydrochloric acid.

Naming Acids

2) When the anion name ends in –ite, the acid name will end in –ous, followed by the word acid.

◦ Example: H2SO3

The anion is sulfite (SO3) The anion sulfite goes to sulfurous Followed by the word acid. Sulfurous acid

H2SO3 is sulfurous acid.

Naming Acids

3) When the anion name ends in –ate, the acid name changes the suffix to –ic, and it is followed by the word acid.

◦ Example: HNO3

The anion is nitrate. The anion nitrate goes to nitric Followed by the word acid. Nitric acid.

HNO3 is nitric acid.

Naming Acids

Bases are named in the same way as other ionic compounds– the name of the CATION is following by the name of the ANION.

◦ Example: NaOH is sodium hydroxide

Naming Bases

Give the names of these acids:◦ HNO2

◦ H2S

◦ H2CrO4

◦ Give the names of these bases: LiOH Mg(OH)2

Pb(OH)2

Al(OH)3

Practice

Give the names of these acids:◦ HNO2 Nitrous Acid

◦ H2S Hydrosulfuric Acid

◦ H2CrO4 Chromic Acid

◦ Give the names of these bases: LiOH Mg(OH)2

Pb(OH)2

Al(OH)3

Practice Answers

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