| Assertion (A): | o-Nitrophenol is more volatile than p-Nitrophenol. |
| Reason (R): | Intramolecular hydrogen bonding is present in o-nitrophenol while intermolecular H-bonding is present in p-nitrophenol. |
| 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. |
Which of the following compounds shows the strongest hydrogen bonding?
1. HCl
2. H2O
3. HI
4. H2S