Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

6. Which ONE of these would have the lowest boiling point? a) (CH3))N b) CHiCH2N

ID: 695060 • Letter: 6

Question

6. Which ONE of these would have the lowest boiling point? a) (CH3))N b) CHiCH2NHCH c) CH,CH,CHNH 4 7. A primary amine has how many peaks in the region of 3200-3400 cm in the IR? a) zero b) one e) two d) three 8. Draw the enol form of acetophenone. 9. A compound has the formula CaH,O2, with all the following characteristics 10 a) It has a band at 1700 cm1 in the IR. What does this tell you? b) It gives a negative 2,4-DNP test. What does this tell you? c) Its 1H NMR consists of: 7.0-7.5 (5 H, multiplet) 2.2 (3H, singlet) What is the structure of this compound? g10. Show the steps necessary to carry out this transformation. CHs CHy 0 NO2

Explanation / Answer

Q6

lowest BP --> must be light, and nonpolar

therefore

ignore B and C, since it is slightly polar, and can form hydrogen bonding

thereofre, choose A, since nitrogen has no hydrogen,s therefore, can't form H-bonds

Q7

none, the stretches are found in the 3400-3600