Prefixes and Suffixes…

hydro<…>ic acid

    • “Hydro” is ONLY used for acids that do NOT contain oxygen. These are all binary acids.
      Examples:
      H2S = hydrosulfuric acid
      HBr = hydrobromic acid
      Other Examples:
      H2S, H2Se, H2Te, HBr, HCl, HF, HI
      Related Topics: Acids – Neutral – No Oxygen
      Worksheet: Study Aid E

-ic acid

        • To distinguish -ic acid from -ous acid: memorize….but know that -ic acids are derived from the -ate polyatomic anions and -ous acids are derived from the
          • -ite polyatomic anions.This ending (without the prefix “hydro”) is ONLY used for neutral acids that contain oxygen and do NOT contain a metal.
            • Examples:
              • H2CO3 = carbonic acid
              • H2SO4= sulfuric acid
            • Other Examples:
              • H2CO3, H2SeO4, H2SO4, H2TeO4, H3AsO4, H3PO4, HBrO3, HClO3, HIO3, HNO

      Related Topics: Acids – Neutral – Oxygen

    • Worksheet: Study Aid F

 


per<…>ic acid

    • This prefix/ending combination is ONLY used for neutral acids that contain oxygen and do NOT contain a metal.
    • To distinguish per<…>ic acid from -ic acid: memorize….but know that -ic acids are derived from the -ate polyatomic anions and per<…>ic acids are derived from the per<…>ate polyatomic anions.