Instructions: Answer all problems on the Scantron form provided. Use a #2 pencil
ID: 1066621 • Letter: I
Question
Instructions: Answer all problems on the Scantron form provided. Use a #2 pencil to fill in the correct answer for each problem. You may use your notes and textbook to answer the problems. Each problem is worth 1 point. Turn in your Scantron form by 12:00 pm on Friday, December 9^th (in the chemistry office, room 400 in building 36). No late submissions will be accepted. The following molecule contains how many carbon atoms in the sp hybridization state? 1 4 5 6 Which of the following are (E) isomers? 1, 2 and 5 1, 4 and 5 1, 3 and 4 2, 3 and 4 Identify the relationship between the following compounds: Enantiomers Constitutional isomers Diastereomers Same compound What would be the IUPAC name of the following? (R)-3-bromo-5-methyl-2-heptene (S)-3-bromo-5-methyl-2-heptene (S)-5-bromo-3-methyl 5-heptene (R)-5-bromo-3-methyl-5-heptene What is the IUPAC name of the following compound? (3R, 5R)-5-bromo-3-methylcyclopentene (3S, 5R)-5-bromo-3-methylcyclopentene (3R, 5S)-3-bromo-5-methylcyclopentene (3S, 5R)-3-bromo-5-methylcyclopentene Which one of the following would undergo E2 elimination most rapidly?Explanation / Answer
1. answer: D) 6
c-atom with triple bond (or) two double bonds having SP-hybridisation.
2. answer: B) 1,4 and 5
E -isomer , having same prior groups on opposite side.
3. enantimers , ( mirror images which are not superimposable)
4. B
5. D
6. A