Richard Lizius 01/10/2004 Acids • Are substances which yield the hydrogen ion, H +1 , when in solution. • ACIDS are the opposite of BASES or HYDROXIDES • Acids are of two types: Binary acids and Oxyacids Binary Acids • As the name implies, these compounds consist of only two elements, one of which is hydrogen and the other in a non-metal • There are only five of these compounds • When the covalent compounds are dissolved in water they form acids. (hydrogen must form a polar covalent bond with a non-metal, therefore only some elements have the right electronegativity values F, Cl, Br, I, S) Naming: Classical • These acids all begin with the prefix “hydro” followed by the name of the non-metal ending in the suffix “ic”. IUPAC • The word “aqueous” precedes the name of the dissolved compound. Formula Classical Name IUPAC Name HF (aq) hydrofluoric acid aqueous hydrogen fluoride HCl (aq) hydrochloric acid aqueous hydrogen chloride HBr (aq) hydrobromic acid aqueous hydrogen bromide HI (aq) hydroiodic acid
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- Spring '14
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