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Chapter 6: Problem 61

Sandmeyer reaction, is a type of (a) unimolecular nucleophilic substitution reaction (b) unimolecular electrophilic substitution reaction (c) bimolecular nucleophilic substitution reaction (d) free radical reaction

Short Answer

Expert verified
Answer: (c) bimolecular nucleophilic substitution reaction.

Step by step solution

01

Recall the Sandmeyer reaction mechanism

The Sandmeyer reaction is a process by which aromatic diazonium salts are transformed into aryl halides using copper(I) halide as the catalyst. It is essential to understand the reaction mechanism before identifying the type of reaction.
02

Analyze the reaction mechanism

The mechanism of the Sandmeyer reaction involves the nucleophilic substitution in which a good nucleophile (such as halide ions) replaces a good leaving group (diazonium ions) in the benzene ring. The reaction involves two species reacting together; one aromatic diazonium salt molecule and one halide ion.
03

Identify the correct type of reaction

Now that we know the Sandmeyer reaction involves nucleophilic substitution with two reacting species, we can eliminate options (a) and (b) as they involve unimolecular reactions. The reaction is not a free radical reaction (option (d)) as there are no unpaired electrons involved in the mechanism. Therefore, the correct answer is: (c) bimolecular nucleophilic substitution reaction.

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