| Assertion (A): | Ortho nitrophenol is more volatile than para nitrophenol. |
| Reason (R): | In ortho-nitrophenol, intramolecular as well as intermolecular hydrogen bonding is present, while in para-nitrophenol only intermolecular hydrogen bonding is present. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True, but (R) is not the correct explanation of (A). |
| 3. | (A) is true, but (R) is False. |
| 4. | Both (A) and (R) are False. |