What is the product of the reaction between 1-chlorobutane and potassium cyanide

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Question: What is the product of the reaction between 1-chlorobutane and potassium cyanide?

Options:

Correct Answer: 1-cyanobutane

Solution:

1-cyanobutane is formed through nucleophilic substitution where the cyanide ion acts as a nucleophile.

What is the product of the reaction between 1-chlorobutane and potassium cyanide?

What is the product of the reaction between 1-chlorobutane and potassium cyanide?

Step 1: Identify the reactants. We have 1-chlorobutane and potassium cyanide.
Step 2: Understand that potassium cyanide provides the cyanide ion (CN-).
Step 3: Recognize that the cyanide ion is a nucleophile, meaning it can donate a pair of electrons.
Step 4: The nucleophile (cyanide ion) attacks the carbon atom that is bonded to the chlorine in 1-chlorobutane.
Step 5: The chlorine atom leaves, and the cyanide ion takes its place, forming a new bond.
Step 6: The product formed is 1-cyanobutane, which has the cyanide group attached to the first carbon.

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