A : `HCI, HNO_3 and H_2SO_4` are equalty strong acids in water
R : Water is a stronger acid than alcohols

Options

A. If both Assertion & Reason are true and the reason in the corret explanation of the assertion, then mark
B. If both assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark
C. If Assertion is true statement but Reason is false then mark
D. If both Assertion and Reason are false statements , then mark

Answer

To solve the question regarding the assertion and reason, we will analyze both statements step by step.

### Step 1: Analyze the Assertion
**Assertion (A):** HCl, HNO₃, and H₂SO₄ are equally strong acids in water.

1. **Definition of Strong Acids:** Strong acids are those that completely dissociate in water to produce H⁺ ions.
2. **Dissociation of HCl:**
- HCl → H⁺ + Cl⁻
- HCl is a strong acid because it completely dissociates in water.
3. **Dissociation of HNO₃:**
- HNO₃ → H⁺ + NO₃⁻
- HNO₃ is also a strong acid with complete dissociation.
4. **Dissociation of H₂SO₄:**
- H₂SO₄ → H⁺ + HSO₄⁻ (first dissociation)
- HSO₄⁻ → H⁺ + SO₄²⁻ (second dissociation)
- H₂SO₄ is a strong acid as it dissociates completely in the first step and partially in the second step.
5. **Conclusion for Assertion:** All three acids (HCl, HNO₃, and H₂SO₄) are considered strong acids in water, thus the assertion is true.

### Step 2: Analyze the Reason
**Reason (R):** Water is a stronger acid than alcohols.

1. **Dissociation of Water:**
- H₂O → H⁺ + OH⁻
- The conjugate base of water is OH⁻.
2. **Dissociation of Alcohols:**
- For an alcohol (R-OH), the dissociation is R-OH → R-O⁻ + H⁺.
- The conjugate base of alcohol is R-O⁻.
3. **Stability of Conjugate Bases:**
- In the case of water, OH⁻ is relatively stable.
- In the case of alcohols, R-O⁻ can be less stable due to the electron-donating effects of R groups (if they are electron-donating).
4. **Conclusion for Reason:** Water is indeed a stronger acid than alcohols because the conjugate base (OH⁻) is more stable than the conjugate base of alcohols (R-O⁻) under many circumstances. Thus, the reason is true.

### Step 3: Determine the Relationship
- Both the assertion and reason are true.
- However, the reason does not provide a correct explanation for the assertion about the strength of the acids. The reason discusses the relative acidity of water and alcohols, which is not directly related to the strength of HCl, HNO₃, and H₂SO₄.

### Final Conclusion
- The correct answer is that both the assertion and reason are true, but the reason is not a correct explanation of the assertion.

### Answer: Option 2 - Both assertion and reason are true, but reason is not a correct explanation of assertion.

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