Analgesics

The question requires matching the chemical structures in List I with their respective descriptions in List II. Let's analyze each structure and its corresponding description:

1. Image A:This structure is morphine, which is a well-known narcotic analgesic.
2. Image B:This structure is of Triclosan, used as an antiseptic.
3. Image C:This structure resembles phenelzine, which is an anti-depressant.
4. Image D:This is saccharin, known for being 550 times sweeter than cane sugar.

Based on the above analysis, we can match the columns as follows:

• A-III: Narcotic analgesic
• B-IV: Antiseptic
• C-I: Anti-depressant
• D-II: 550 times sweeter than cane sugar

The correct answer is: A-III, B-IV, C-I, D-II