MCQ
Gabriel phthalimide synthesisis used in the preparation of:
- A1° amine
- B2° amine
- C3° amine
- D4° amine
Explanation:
The chemical reaction used for transforming primary alkyl halides into primary amines is called Gabriel phthalimide synthesis. It uses potassium phthalimide.
Therefore, Gabriel phthalimide synthesis is used in the preparation of 1o amide.
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| Column I | Column II |
| (a) Osmotic Pressure. | (i) Cottrell's method. |
| (b) Relative lowering of vapour pressure. | (ii) Rast's method. |
| (c) Elevation in boiling point. | (iii) Ostwald and Walker's method. |
| (d) Depression in freezing point. | (iv) Berkeley and Hartley's method. |