####43. Match the chemical conversion in Column I with the appropriate reagents in Column II and select the correct answer using the code given below the lists.
(2013 Adv.)
| P | Q | R | S | |
|---|---|---|---|---|
| (a) | 2 | 3 | 1 | 4 |
| (b) | 3 | 2 | 1 | 4 |
| (c) | 2 | 3 | 4 | 1 |
| (d) | 3 | 2 | 4 | 1 |
Correct Answer: 43. $(a)$
Solution:
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