Q7. Give two methods for preparing alkyl nitrile?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Q7. Give two methods for preparing alkyl nitrile?**

Preparing alkyl nitriles can be achieved through the following methods:

1. **Nucleophilic Substitution Reaction:**
   - Alkyl halides can react with sodium or potassium cyanide. 
   - The halogen atom is replaced by the cyano group, resulting in the formation of an alkyl nitrile.
   
2. **Dehydration of Amides:**
   - A primary amide can be dehydrated using reagents such as phosphorus pentoxide (P₂O₅).
   - This reaction results in the removal of water, leading to the formation of an alkyl nitrile.

These methods are commonly used in organic synthesis for the production of nitriles.
Transcribed Image Text:**Q7. Give two methods for preparing alkyl nitrile?** Preparing alkyl nitriles can be achieved through the following methods: 1. **Nucleophilic Substitution Reaction:** - Alkyl halides can react with sodium or potassium cyanide. - The halogen atom is replaced by the cyano group, resulting in the formation of an alkyl nitrile. 2. **Dehydration of Amides:** - A primary amide can be dehydrated using reagents such as phosphorus pentoxide (P₂O₅). - This reaction results in the removal of water, leading to the formation of an alkyl nitrile. These methods are commonly used in organic synthesis for the production of nitriles.
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