Regarding the Use of Potassium Tert-Butoxide as a Base in E2

question 167

Multiple Choice

Regarding the use of potassium tert-butoxide as a base in E2 reactions,it is incorrect to state that:

• A)this base is more effective than ethoxide ion,because it (KOt-Bu)is the more basic of the two.
• B)it tends to give the anti-Zaitsev,i.e.,Hofmann,product.
• C)it is more reactive in dimethyl sulfoxide than it is in tert-butyl alcohol.
• D)it favors E2 reactions over competing S_N2 reactions.
• E)it will form,predominantly,the more stable alkene.

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