Question

1. Rank the following compounds in order of increasing reactivity in a dehydration reaction that follows the appropriate mechanism (from slowest to fastest reacting). Think: carbocation stability order. OH A CH3CH2OH B H3C OH C 2. Predict the major alkene product that would result from dehydrating each of the following alcohols. Assume that carbocation rearrangements may occur. Draw the starting material structure, then draw and name the major product structure. a. 4,5-dimethyl-3-heptanol b. 1,2,3-trimethyl-cyclohexanol 3. What is Zaitsev's Rule? Was it followed in your dehydration reaction? Justify your answer.

          1. Rank the following compounds in order of increasing reactivity in a dehydration reaction that follows the appropriate mechanism (from slowest to fastest reacting). Think: carbocation stability order.

OH
A

CH3CH2OH
B

H3C OH
C

2. Predict the major alkene product that would result from dehydrating each of the following alcohols. Assume that carbocation rearrangements may occur. Draw the starting material structure, then draw and name the major product structure.

a. 4,5-dimethyl-3-heptanol
b. 1,2,3-trimethyl-cyclohexanol

3. What is Zaitsev's Rule? Was it followed in your dehydration reaction? Justify your answer.

1. Rank the following compounds in order of increasing reactivity in a dehydration reaction that follows the appropriate mechanism (from slowest to fastest reacting). Think: carbocation stability order.

OH
A

CH3CH2OH
B

H3C OH
C

2. Predict the major alkene product that would result from dehydrating each of the following alcohols. Assume that carbocation rearrangements may occur. Draw the starting material structure, then draw and name the major product structure.

a. 4,5-dimethyl-3-heptanol
b. 1,2,3-trimethyl-cyclohexanol

3. What is Zaitsev's Rule? Was it followed in your dehydration reaction? Justify your answer.

Added by Jennifer T.

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