Carbyl amine reaction is not given by

Options

A. `C_6H_5NH_2`
B. `(CH_3)_3C—CH_2--NH_2`
C. `C_6H_5CH_2NH_2`
D. `(CH_3)_3N`

Answer

To determine which type of amine does not undergo the carbyl amine reaction, we can follow these steps:

### Step 1: Understand the Carbyl Amine Reaction
The carbyl amine reaction is a characteristic test for primary amines. In this reaction, a primary amine reacts with chloroform (CHCl3) in the presence of alcoholic KOH to form isocyanides (carbyl amines).

### Step 2: Identify the Types of Amines
Amines can be classified into three categories:
- Primary amines (RNH2)
- Secondary amines (R2NH)
- Tertiary amines (R3N)

### Step 3: Analyze the Reaction
- **Primary Amines**: They react with chloroform and alcoholic KOH to produce isocyanides, which have a characteristic foul smell.
- **Secondary Amines**: They do not react in the carbyl amine reaction.
- **Tertiary Amines**: They also do not participate in this reaction.

### Step 4: Conclusion
Since the question asks for the type of amine that does not give the carbyl amine reaction, the answer is secondary and tertiary amines. However, if we are to choose one specific type, secondary amines are typically highlighted as they do not react at all.

### Final Answer
The carbyl amine reaction is not given by secondary amines.

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