Given that treatment of 2-bromo-2-methylbutane with KOH in ethanol yields a mixture of two alkenes as product. The likely structures of the two alkenes are to be given. Concept introduction: In dehydrohalogenation reactions removal of hydrogen halide takes place. The hydrogen is usually removed from the carbon adjacent to the carbon bearing the halogen (from β carbon). If the alkyl halide has hydrogen on more than one β carbon with a different substituent then hydrogen can be eliminated from all of them leading to a mixture of different alkenes. To give: The likely structures of the two alkenes that result when 2-bromo-2-methylbutane react with KOH in ethanol.

Question

Rank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic aromatic substitution. Explanation Check CF3 (Choose one) OH (Choose one) H (Choose one) (Choose one) © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy

Answer 1

Question

Chapter 8.1, Problem 1P

Interpretation Introduction

Interpretation:

Given that treatment of 2-bromo-2-methylbutane with KOH in ethanol yields a mixture of two alkenes as product. The likely structures of the two alkenes are to be given.

Concept introduction:

In dehydrohalogenation reactions removal of hydrogen halide takes place. The hydrogen is usually removed from the carbon adjacent to the carbon bearing the halogen (from β carbon). If the alkyl halide has hydrogen on more than one β carbon with a different substituent then hydrogen can be eliminated from all of them leading to a mixture of different alkenes.

To give:

The likely structures of the two alkenes that result when 2-bromo-2-methylbutane react with KOH in ethanol.

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