MCQ
What is the second step in Cannizaro reaction mechanism?
- AAttack of $OH^–$ on carbonyl carbon
- BAcid base reaction
- CProtonation of carbonyl oxygen
- ✓Hydride ion transfer
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| Column I | Column II |
| A. Vitamin A | 1. Absorption and maintanence of calcium |
| B. Vitamin E | 2. Vision and growth |
| C. Vitamin K | 3. Antioxidant |
| D. Vitamin D | 4. Blood clotting |
| Column I | Column II |
| A) $V_2O_5$ | (i) High density polyethylene |
| B) Ziegler – Natta | (ii) PAN |
| C) Peroxide | (iii) $NH _3$ |
| D) Finely divided – Fe | (iv) $H _2 SO _4$ |
| A | B | C | D |
| (iv) | (i) | (ii) | (iii) |
| A | B | C | D |
| (i) | (ii) | (iv) | (iii) |
| A | B | C | D |
| (ii) | (iii) | (iv) | (i) |
| A | B | C | D |
| (iii) | (iv) | (ii) | (i) |