13C NMR and MS

13C NMR and MS

all screenshot pictures were taken from Knockhardy publishing

¹³C NMR

Multiple Choice

how many peaks in ¹³C NMR will be shown if we test using 3-methylbutanal

• 3

• 4

• 5

Multiple Choice

how many peaks in ¹H NMR will be shown if we test using 3-methylbutanal

• 3

• 4

• 5

Multiple Choice

how many peaks are shown in ¹³C NMR for 2-methylbutane?

(CH₃)₂CHCH₂CH₃

• 3

• 4

• 5

Multiple Choice

how many peaks are shown in ¹H NMR for 2-methylbutane?

(CH₃)₂CHCH₂CH₃

• 3

• 4

• 5

Multiple Choice

how many peaks are shown in ¹³C NMR for 2,2-dimethylpropane?

(CH₃)₄C

• 1

• 2

• 3

Multiple Choice

how many peaks are shown in ¹H NMR for 2,2-dimethylpropane?

(CH₃)₄C

• 1

• 2

• 3

Multiple Choice

how many peaks are shown in ¹³C NMR for pentan-3-one?

(CH₃)₄C

• 1

• 2

• 3

Multiple Choice

how many peaks are shown in ¹H NMR for pentan-3-one?

(CH₃)₄C

• 1

• 2

• 3

Mass Spectroscopy

if halogens are present...

we use M+2 and M+4 spectrum