1. NaCN H. 2. H20

Chemistry
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ISBN:9781305957404
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Chapter1: Chemical Foundations
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The image illustrates a chemical reaction involving the conversion of a pentanal compound using a cyanide ion. Here is a detailed breakdown of the reaction:

**Reactant:**
- The initial molecule is pentanal, a five-carbon aldehyde with the structure represented as CH₃(CH₂)₃CHO.

**Reagents:**
1. **NaCN (sodium cyanide)**: Sodium cyanide serves as the source of the cyanide ion (CN⁻), which acts as a nucleophile in this reaction.
2. **H₂O (water)**: Water is used as a solvent or medium for the reaction to take place.

**Reaction Type:**
- This process is likely a nucleophilic addition reaction. The cyanide ion attacks the carbon atom in the carbonyl group of pentanal, resulting in the formation of a cyanohydrin.

**Description:**
- The reaction proceeds by the nucleophilic addition of the cyanide ion to the carbonyl carbon of pentanal, followed by protonation in the presence of water. This adds a nitrile group (C≡N) to the compound, forming 4-pentanenitrile as the product.

This reaction is often used to introduce a nitrile group into an aldehyde or ketone, which can be further transformed into other functional groups, such as carboxylic acids or amines, through different chemical processes.
Transcribed Image Text:The image illustrates a chemical reaction involving the conversion of a pentanal compound using a cyanide ion. Here is a detailed breakdown of the reaction: **Reactant:** - The initial molecule is pentanal, a five-carbon aldehyde with the structure represented as CH₃(CH₂)₃CHO. **Reagents:** 1. **NaCN (sodium cyanide)**: Sodium cyanide serves as the source of the cyanide ion (CN⁻), which acts as a nucleophile in this reaction. 2. **H₂O (water)**: Water is used as a solvent or medium for the reaction to take place. **Reaction Type:** - This process is likely a nucleophilic addition reaction. The cyanide ion attacks the carbon atom in the carbonyl group of pentanal, resulting in the formation of a cyanohydrin. **Description:** - The reaction proceeds by the nucleophilic addition of the cyanide ion to the carbonyl carbon of pentanal, followed by protonation in the presence of water. This adds a nitrile group (C≡N) to the compound, forming 4-pentanenitrile as the product. This reaction is often used to introduce a nitrile group into an aldehyde or ketone, which can be further transformed into other functional groups, such as carboxylic acids or amines, through different chemical processes.
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