Why Is Direct Nucleophilic Substitution of an Alkyl Halide

question 32

Multiple Choice

Why is direct nucleophilic substitution of an alkyl halide with NH₃ not a very useful method for preparing primary amines?

• A)NH₃ is not a nucleophile.
• B)Elimination will occur.
• C)NH₃ is too bulky to act as a nucleophile.
• D)Polyalkylation of the amine will result in multiple products.

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Definitions:

Scarification

A process of weakening the outer coat of seeds to encourage germination, can be chemical, mechanical, or thermal.

Imbibition

Imbibition is the process of absorption of water by substances, causing them to swell without dissolving, critically initiating seed germination.

Vernalization

The process by which exposure to cold temperatures for a certain length of time induces a plant to flower.

Thigmomorphogenesis

An alteration of plant growth in response to mechanical stimuli, such as wind, rain, hail, and contact with passing animals.