CHEM 250 Lecture 10: 3-3 lecture notes

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3 Mar 2020
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Alcohols have about the same pka values as water ; aqueous solutions of aclohols have the same ph as that of pure water. Alcohols are very weak acids and do not react with na oh. In contrast (cid:8869) cghsoh lag) + naoh lag ) cgh so - nat caq) + h2o (1) Ch3chz oh -9 chz= ch z t h2o ethanol. Ch 3 cch 3 ch 3c = ch z. When isomeric alkenes are obtained , ( most stable) generally predominates the most highly substituted alkenes. Ch sch z chch "s -9 ch 3 ch = chch 3 t ch sch z ch = ch z. 2 - butene ( 80 " "- ) ( major) ( 20 -r " ) Chs ch chch "s chs d= chch 3. H2o 2 -methyl - 2 - butene (major product) 2- methyl - i - cyclohexane l l - methyl - i -cyclohexane (major )