Question:
The conversion of alkyl halide to alcohol by aqueous $\text{KOH}$ is an example of}
The conversion of alkyl halide to alcohol by aqueous $\text{KOH}$ is an example of}
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Remember that strong bases like $\text{KOH}$ can act as good nucleophiles in reactions with alkyl halides, leading to the formation of alcohols through nucleophilic substitution.
Updated On: May 31, 2026
- Nucleophilic substitution
- Electrophilic addition
- Nucleophilic addition
- Electrophilic substitution
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Nucleophilic Substitution is a reaction where a nucleophile attacks the electrophilic carbon of an alkyl halide, leading to the replacement of the halogen atom. In this context, $\text{KOH}$ acts as a strong base and a good nucleophile.
Step 2: Meaning
A) Nucleophilic substitution refers to a reaction where a nucleophile (in this case, hydroxide ion from $\text{KOH}$) replaces a leaving group (halogen) in an alkyl halide. This process is common when strong bases are used as reagents.
Step 3: Analysis
B) Electrophilic addition typically involves the addition of an electrophile to a multiple bond, such as in alkenes or acetylenes. C) Nucleophilic addition usually refers to the addition of a nucleophile across a double bond, forming a new bond with one of the carbon atoms of the original molecule. D) Electrophilic substitution involves the replacement of an atom or group by an electrophile. This is not applicable here as there are no aromatic rings involved. In the reaction between alkyl halides and aqueous $\text{KOH}$, the hydroxide ion ($\text{OH}^-$) acts as a nucleophile and attacks the carbon atom of the alkyl halide, leading to the formation of an alcohol. This is characteristic of a nucleophilic substitution reaction.
Step 4: Conclusion
The conversion of an alkyl halide to an alcohol by aqueous $\text{KOH}$ involves the replacement of the halogen with a hydroxyl group through a nucleophilic attack by the hydroxide ion from $\text{KOH}$. This process is classified as a nucleophilic substitution. Final Answer: (A)
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