Which isomerism present in n-propyl amine and isopropyl amine

Options

A. Metamarism
B. Functional group
C. Position
D. Position and chain

Answer

To determine the type of isomerism present in n-propyl amine and isopropyl amine, we can follow these steps:

### Step 1: Identify the Structures
- **n-Propyl amine** has the structure: CH3-CH2-CH2-NH2
- **Isopropyl amine** has the structure: CH3-CH(NH2)-CH3

### Step 2: Analyze the Molecular Formula
Both n-propyl amine and isopropyl amine have the same molecular formula, which is C3H9N. This indicates that they are isomers.

### Step 3: Determine the Type of Isomerism
- **Functional Group Isomerism**: This occurs when the isomers have different functional groups. In this case, both compounds contain the same functional group (amine, -NH2), so this is not functional group isomerism.

- **Metamerism**: This type of isomerism occurs when there are different alkyl groups attached to the same functional group. Since both n-propyl amine and isopropyl amine have the same alkyl group (propyl), this is not metamerism.

- **Position Isomerism**: This occurs when the position of the functional group changes within the same carbon skeleton. In n-propyl amine, the amine group is at the end of the carbon chain (1st position), while in isopropyl amine, the amine group is on the second carbon (2nd position). Therefore, this is a case of position isomerism.

### Conclusion
The isomerism present in n-propyl amine and isopropyl amine is **position isomerism**.

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