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प्रश्न
Which of the following pair of compounds can be distinguished by iodoform test?
Butan-1-ol and butan-2-ol
अंतर स्पष्ट करें
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उत्तर
| Butan-1-ol | Butan-2-ol | |
| 1. | Butan-1-ol is a primary alcohol. | Butan-2-ol is a secondary alcohol. |
| 2. | On oxidation, it forms butanoic acid, which does not have a CH3–CO– group. | On oxidation, it forms butan-2-one, which has a CH3–CO– group. |
| 3. | It does not contain the CH3–CH(OH)– group required for the iodoform test. | It contains the CH3–CH(OH)– group, essential for the iodoform test. |
| 4. | It gives a negative iodoform test. | It gives a positive iodoform test. |
| 5. | No yellow precipitate of iodoform (CHI3) is formed. | A yellow precipitate of iodoform (CHI3) is formed. |
| 6. | This substance cannot be detected by the iodoform test. | This substance can be detected by the iodoform test. |
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