MCQ
Which of the aldehyde is most reactive?
- A$C _6 H _5 CHO$
- B$CH _3 CHO$
- ✓$HCHO$
- D$CH _3- CH _2- CHO$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| LIST I | LIST II |
| A. Chlorophyll | 1. $Zn^{2+}$ |
| B. Haemoglobin | 2. $Co^{3+}$ |
| C. Carboxy peptidase | 3. $Mg^{2+}$ |
| D. Cyanocobalamine | 4. $Fe^{2+}$ |