Chemical Formulas and Nomenclature - Quiz on __________

Assignment 6 - Naming Acids

Molecular compounds with a formula beginning with hydrogen often form acids when dissolved in water.

acid - molecular substance that will increase the hydrogen ion (H⁺) concentration when dissolved in water

1. Naming binary acids

Acid binary compounds change their name when dissolved in water.

(aq) stands for aqueous solution.

Use the root name of the acid and the prefix hydro- and the suffix -ic and add 'acid'.

HCl (g) = hydrogen chloride Æ HCl (aq) hydrochloric acid

2. Naming ternary acids (oxyacids)

if the polyatomic ion ends in -ite

replace -ite with -ous and add 'acid'

HClO₂ hydrogen chlorite Æ chlorous acid

HClO hydrogen hypochlorite Æ hypochlorous acid

if the polyatomic ion ends in -ate

replace -ate with -ic and add 'acid'

HClO₃ hydrogen chlorate Æ chloric acid

HClO₄ hydrogen perchlorate Æ perchloric acid

Do the following assignments on page 121f: # 19 - 22