Which is more basic `PhNH_(2)` or `Ph_(2)NH` ?

Explanation

To determine which compound is more basic between `PhNH2` (aniline) and `Ph2NH` (diphenylamine), we need to analyze the structure and the electronic effects of the substituents on the nitrogen atom in both compounds.

### Step-by-Step Solution:

1. **Identify the Structures**:
- `PhNH2` is an aniline, which has one phenyl group (Ph) attached to the nitrogen atom along with two hydrogen atoms.
- `Ph2NH` is diphenylamine, which has two phenyl groups attached to the nitrogen atom along with one hydrogen atom.

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