Which of the following is most acidic molecule?

Options

A. `CH_(3)- NO_(2)`
B. `(CH_(3))_(2) CH-NO_(2)`
C. `(NO_(2))_(3)C-H`
D. `CH_(3) -CH_(2) -NO_(2)`

Explanation

To determine which of the given nitro compounds is the most acidic, we will analyze the stability of their conjugate bases after the release of a proton (H+). The stability of the conjugate base is influenced by the presence of electron-withdrawing groups, such as nitro (NO2) groups, which can stabilize the negative charge through resonance.

### Step-by-Step Solution:

1. **Identify the Compounds**:
- Let's assume we have four nitro compounds labeled as A, B, C, and D. Each compound has a different number of nitro groups attached.

2. **Understand Acidity**:
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