Author Question: The following compound will have an 1H NMR spectrum that consists of: A) two singlets, ... (Read 87 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
The following compound will have an 1H NMR spectrum that consists of:
   
   
   
  A)
  two singlets, area ratio 6:4.
  B)
  three singlets, area ratio 3:3:4.
  C)
  four singlets, area ratio 3:3:2:2.
  D)
  two singlets and two doublets, area ratio 3:3:2:2.
  E)
  two triplets and a singlet, area ratio 3:3:4.

Question 2

The following compound will have a proton NMR spectrum that shows:
   
   
   
  A)
  two singlets, area ratio 3:1.
  B)
  two singlets, area ratio 9:1.
  C)
  three singlets, area ratio 3:3:6.
  D)
  four singlets, area ratio 3:2:6:1.
  E)
  six singlets, area ratio 3:3:3:1:1:1.

Question 3

Compounds that will show only two sharp singlets in their 1H NMR spectra are:
   
   
   
  A)
  1 and 2
  B)
  3
  C)
  1 and 3
  D)
  1 and 4
  E)
  1, 2, and 4

Question 4

The proton(s) on which C will produce a splitting pattern that is a doublet in its 1H NMR spectrum?
   
   
  A)
  1
  B)
  2
  C)
  3
  D)
  4
  E)
  5

Question 5

Which of the following molecules has more than three (3) different types of protons in its 1H NMR?
   
   
   
  A)
  I
  B)
  II
  C)
  III
  D)
  IV
  E)
  V

Question 6

Which of the following molecules shows only one singlet in its 1H NMR spectrum?
   
   
   
  A)
  I
  B)
  II
  C)
  I and III
  D)
  IV
  E)
  V

Question 7

Which of the following molecules will show two peaks with an area ratio of 6:4 in its 1H NMR spectrum?
   
   
   
  A)
  I
  B)
  II
  C)
  III
  D)
  IV
  E)
  V

Question 8

A compound with the molecular formula C5H12 gave the following 1H NMR spectrum:
   
  singlet, d 1.0 (12 H)
   
  The structure of this compound is:
   
   
  A)
  I
  B)
  II
  C)
  III
  D)
  IV
  E)
  all are possible

Question 9

In the 1H NMR spectrum of the following molecule, the protons on which carbon will have the most downfield chemical shift?
   
   
  A)
  1
  B)
  2
  C)
  3
  D)
  4
  E)
  5

Question 10

How many peaks would you expect to see in the 1H NMR spectrum for the following compound:
   
  A)
  1
  B)
  2
  C)
  3
  D)
  4
  E)
  more than 4

Question 11

How many peak(s) would you expect to see in the 1H NMR spectrum of 1-bromobutane?
  A)
  1
  B)
  2
  C)
  3
  D)
  4
  E)
  more than 4



morrie123456

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

d

Answer to Question 2

a

Answer to Question 3

d

Answer to Question 4

a

Answer to Question 5

b

Answer to Question 6

d

Answer to Question 7

a

Answer to Question 8

b

Answer to Question 9

d

Answer to Question 10

d

Answer to Question 11

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

For a complete list of videos, visit our video library