13C NMR

Question 1

sp3 carbons (C—C)

Answer 1

0 — 50 ppm

Question 2

C—N, C—Cl, C—Br

Answer 2

25 — 75 ppm

Question 3

C≡C, C—O

Answer 3

50 — 100 ppm

Question 4

C = C, benzene

Answer 4

100 — 150 ppm

Question 5

C=O

Answer 5

150 — 200 ppm