chem 212 oxidation notes - Chapter 7 Oxidation and...

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Unformatted text preview: Chapter 7: Oxidation and Reduction (Redox) Reactions 7.1 Oxidation Numbers (ON) A. The Oxidation Number (ON) of an atom is 2er . - Monoatomic Elements ‘3 C C‘ j, ‘3 Q‘K: o Diatomic Elements fig CLl L‘NZL‘; \‘j-‘N’SU B. The Oxidation Number (ON) of an ion is g jmxg; cg . NaCI MgO LiZS MnCI4 w at we WY:— W— LV‘T— *1 M“ I "+ \ :4“ V -_ ti‘ Q 2" Ref—’2: (/‘i 1 7.2 Oxidation Oxidation is the ‘ - The oxidation number gets i‘fi during an oxidation reaction. 7.3 Reduction Reduction is the main 2% degfl mm“ . P + 3e" 9 P“3 U“ :‘Q OW : *6 CI2 + 2e_ 9 20—1 Q‘NH) 9N'~”\ - The oxidation number gets mm: 'flggip‘tN‘ during an reduction reaction. 7.4 Oxidation and Reduction - The change in the WWW»;- . 7 tells which type of reaction is occurring. t\cc\xgng _;\\zc kip:— \J \i- to N {l \ match of an atom or ion -3 -2 -1 0 +1 +2 +3 CXéLJ“ O 1C; (J Lb.“ \Ecji "‘— {II-(5'01 UH; :‘ll 0‘“ vii Li-il’kg-{r 10‘: \ * Often, an oxidation and a reduction reaction occur ; this is called a radox inductor; can“ '+-,. -'2 ssh MS) + 2H+(aq) 9 an?(aq) + ng) UN: 3Y\ UN 1Y1 {31131 2 What is oxidized? What is reduced? m m. Z“ gfi+ 2 ...
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