Explain the acidic and basic nature of the following substancecs on the basis of protonic concept

Options

A. `H_(2)SO_(4)`
B. `HPO_(4)^(-2)`
C. `NH_(3)`
D. `HN_(4)^(+)`

Explanation

To explain the acidic and basic nature of the given substances based on the protonic concept, we need to understand the definitions of acids and bases according to this theory.

### Step-by-Step Solution:

1. **Understanding the Protonic Concept**:
- According to the protonic concept, an acid is defined as a substance that can donate protons (H⁺ ions), while a base is a substance that can accept protons.

2. **Analyzing H₂SO₄ (Sulfuric Acid)**:
...