Naming Oxyacids.

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Presentation transcript:

Naming Oxyacids

Oxyacids are acids made up of hydrogen, oxygen and one other element and produce H+ ions when dissolved in water. Many of the common polyatomic ions become oxyacids by adding hydrogen. The suffix “-ate” becomes “-ic” and the word acid is added to the end.

I “ate” liver and I said “ic”! Remember…. I “ate” liver and I said “ic”!

Examples: NO3- nitrate HNO3(aq) nitric acid CO32- carbonate H2CO3(aq) carbonic acid SO42- sulfate H2SO4(aq) sulfuric acid PO43- phosphate H3PO4(aq) phosphoric acid ClO3- chlorate HClO3(aq) chloric acid C2H3O2- acetate HC2H3O2(aq) acetic acid

Oxyacids – form different acids by changing the number of oxygens HClO4 perchloric acid one extra oxygen HClO3 chloric acid normal formula HClO2 chlorous acid one less oxygen HClO hypochlorous acid two less oxygen

Examples What is HNO3? What is HNO2? What is HNO4? What is HNO? nitric acid What is HNO2? nitrous acid What is HNO4? pernitric acid What is HNO? hyponitrous acid

Extra Recall that “-ate” ions become “-ic” acids. Likewise, “-ous” acids become “-ite” ions HClO2 is chlorous acid; ClO2- is the chlorite ion. HClO is hypochlorous acid; ClO- is hypochlorite ion.

Examples What is HNO3? What is NaNO3? What is HNO2? What is NaNO2? nitric acid What is NaNO3? sodium nitrate What is HNO2? nitrous acid What is NaNO2? sodium nitrite