Given below are two statements — Assertion A and Reason R:

Assertion A: Butan-1-ol has higher boiling point than ethoxyethane.

Reason R: Extensive hydrogen bonding leads to stronger association of m

Question

Given below are two statements — Assertion A and Reason R:

Assertion A: Butan-1-ol has higher boiling point than ethoxyethane.

Reason R: Extensive hydrogen bonding leads to stronger association of molecules.

Choose the correct answer:

Canvas Classes · Accepted Answer

Step 1 — Evaluate Assertion A:
- Butan-1-ol (): bp ≈ 117°C
- Ethoxyethane (, diethyl ether): bp ≈ 34.6°C
- Butan-1-ol has higher boiling point ✓ A is true

Step 2 — Evaluate Reason R:
- Butan-1-ol has O–H group → extensive intermolecular hydrogen bonding → stronger intermolecular forces → higher boiling point
- Ethoxyethane has no O–H → only weak Van der Waals forces
- R is true ✓ and correctly explains A

Answer: Option (2) — Both true, R is correct explanation

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