1A. 2-methyl-2-butanol has ____ beta carbons. 1 2 3 4 1B. 2-methyl-2-butanol rea

Question

1A. 2-methyl-2-butanol has ____ beta carbons.

1

2

3

4

1B. 2-methyl-2-butanol reacts with ___ to form 2-methyl-2-butene.

H2SO4

NaOH

NaOC2H5

1C. 2-bromopentane reacts with NaOC2H5 to form three products. The major product is:

1-pentene

cis-2-pentene

trans-2-pentene

1D. 2-bromo-2-methylbutane reacts with NaOH. Possible products are: a. 2-methyl-2-butene, b. 3-methyl-1-butene, c. 3-methyl-2-butanol, d. 2-methyl-2-butanol. The substitution product is ____. The elimination product is _____.

c/a

c/b

d/a

d/b

1E. When 2-bromo-2-methylbutane reacts with NaOH, the major product is the ____ product. If you want the major product to be the ____ product, you could use ____ instead of NaOH.

elimination/substitution/H2O

substitution/elimination/NaOC2H5

elimination/substitution/ NaOC2H5

Explanation / Answer

1A Beta.

1B H2SO4

1C. trans-2-pentene

1D. The substitution product is2-methyl-2-butene

The elimination product is 2-methyl-2-butanol.

1E. When 2-bromo-2-methylbutane reacts with NaOH, the major product is the substitution product. If you want the major product to be the elimination product, you could use NaOC2H5 instead of NaOH.

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