| Questions | 1 to 10 | 11 to 20 | 21 to 30 | 31 to 40 | 41 to 50 | |
| 1 | A | A | B | B | D | Part 6: Mechanism
Part 7: Spectroscopy Part 8: Structure Det.
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| 2 | A | B | E | A | C | |
| 3 | A | E | B | B | D | |
| 4 | A | A | B | B | A | |
| 5 | B | C | A | AE/CD | D | |
| 6 | A | D | B | BC/BD | A | |
| 7 | AB | AC | B | * | C | |
| 8 | C | A/B/D | A | AE | A | |
| 9 | D | BC | B | E | D | |
| 10 | A | D | B | E | ||
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