Based on the structure provided (see attached image), match each question in the

Question

Based on the structure provided (see attached image), match each question in the left hand column with the correct answer from the right hand column. Only one answer per question, not all answers will be used.

Proton (a) multiplicity and Coupling Constant(s)?

9 peaks expected

Total Peaks expected?

dd (J = 18 and 10 Hz)

Proton (b) Chemical Shift?

d (J = 18 and 1.2 Hz)

4.29 ppm

1.20 ppm

11 peaks expected

2.87 ppm

10 peaks expected

dd (J = 10 and 1.2 Hz)

Proton (a) multiplicity and Coupling Constant(s)?

? A

9 peaks expected

Total Peaks expected?

? B

dd (J = 18 and 10 Hz)

Proton (b) Chemical Shift?

? C

d (J = 18 and 1.2 Hz)

D

4.29 ppm

E

1.20 ppm

F

11 peaks expected

G

2.87 ppm

H

10 peaks expected

I

dd (J = 10 and 1.2 Hz)

Explanation / Answer

a) Proton (a) multiplicity and Coupling Constant(s)? = B dd ( J= 18 Hz and 10 Hz)

b) Total Peaks expected? =   H - 10 peaks expected

c) Proton (b) Chemical Shift?   = E - 1.20 ppm

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