Which of the following statements explains why aryl halides and vinyl halides do not undergo...

Question:

Which of the following statements explains why aryl halides and vinyl halides do not undergo nucleophilic substitution by either the SN1 or SN2 mechanism?

a. They don't undergo SN1 reactions because a higher percent s-character makes the bond longer and stronger.

b. They don't undergo SN2 reactions because a higher percent s-character makes the bond shorter and stronger.

c. They don't undergo SN2 reactions because heterolysis of the C-X bond forms a highly unstable carbocation.

d. They don't undergo SN1 reactions because the carbocation is highly electronegative.

Organic Reactions:

Organic reactions can be classified based on specific changes that occur with respect to the structure of the compounds. Common examples of organic reactions are Addition, Substitution, Redox and Rearrangement reactions.

Answer and Explanation: 1

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The answer is b. They don't undergo SN2 reactions because a higher percent s-character makes the bond shorter and stronger.


Substitution...

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Organic Chemical Reactions: Addition, Substitution, Polymerization & Cracking

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Chapter 18 / Lesson 10
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Organic chemical reactions refer to the transformation of substances in the presence of carbon. This lesson will explore organic chemical reactions dealing with hydrocarbons, including addition, substitution, polymerization, and cracking.


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