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CHM 256 EXAM 1 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

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CHM 256 EXAM 1 UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

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CHM 256 EXAM 1 UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. UN formula
Answer:




Question:
2. Nitrogen rule
Answer:
odd mw = odd # of nitrogens

Question:
3. M+2 peak; 1:1
Answer:
Bromine

Question:
4. M+2 peak; 3:1
Answer:
Chlorine

Question:
5. Alkene
Answer:
1680-1600 (w)

Question:
6. Aromatic Ring (w =)
Answer:
1. ~3000 (s)
2. 1600-1400 strong peaks (could be multiple)
3. SMALL AND SHARP peaks (multiple) ~2000-1600

Question:
7. C-O (attatched to alcohol, ester, ether, carboxylic acid)
Answer:
1300-1000 (s)

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