Naming Acids - SO 4 2 is sulf ate 3 When there are more...

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Naming Acids, Oxyacids and Their Salts 1. If the anion does not contain oxygen, then the acid is named with the  prefix  hydro-  and the suffix  -ic . o For example, when gaseous  HCl  is dissolved in  H 2 O , it  forms  hydro chlor ic  acid. o HCN  in  H 2 O  is  hydro cyan ic  acid. Before we learn the rule for naming  oxyacids , let's learn the rules for naming  oxyanions What are oxyanions ? They are anions formed from oxygen and a nonmetal. Here are some  examples:  ClO 4 - , ClO 3 - ClO 2 - ClO - SO 4 2- SO 3 2- . There are two rules for naming these: 2. If there are only two members in the same series, then the anion with the least  number of oxygens ends in  -ite , and the anion with the most ends in  -ate . o For example,  SO 3 2-  is sulf ite
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Unformatted text preview: SO 4 2- is sulf ate . 3. When there are more than two oxyanions in a series, hypo- (less than) and per- (more than) are used as prefixes. Here are some examples: o ClO- is hypo chlor ite o ClO 2- is chlor ite o ClO 3- is chlor ate o ClO 4- is per chlor ate Finally, here are the rules for naming acids of oxyanions . 4. If the anion name ends in -ate , then the acid name ends in -ic or -ric . 5. If the anion name ends in -ite , then the acid name ends in -ous . Here are examples of the last three rules: Acid Anion Acid Name HClO hypochlorite hypochlorous acid HClO 2 chlorite chlorous acid HClO 3 chlorate chloric acid HClO 4 perchlorate perchloric acid...
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