15. Analytical Techniques:IR, NMR, Mass Spect

How many types of electrically unique protons (peaks) are there in the following molecule?

How many types of electrically unique protons (peaks) are there in the following molecule?

How many types of electrically unique protons (peaks) are there in the following molecule?

How many types of electrically unique protons (peaks) are there in the following molecule?

How many types of electrically unique protons (peaks) are there in the following molecule?

Determine the number of different kinds of protons in each compound.

(a) 1-chloropropane

(b) 2-chloropropane

(c) 2,2-dimethylbutane

How many signals would you expect to see in the 1H NMR spectrum of each of the following compounds?

a. CH₃CH₂CH₂CH₃

b. BrCH₂CH₂Br

How many signals would you expect to see in the 1H NMR spectrum of each of the following compounds?

g.

h.

How can ¹H NMR distinguish between the compounds in each of the following pairs?

g.

How many signals are produced by each of the following compounds in its

a. ¹H NMR spectrum?

4.

5.

6.

How can ¹H NMR be used to prove that the addition of HBr to propene follows the rule that says that the electrophile adds to the sp² carbon bonded to the most hydrogens?

How many signals are produced by each of the following compounds in its

a. ¹H NMR spectrum?

4.

5.

6.

Draw an isomer of dichlorocyclopropane that gives an ¹H NMR spectrum

c. with three signals

How many signals would you expect to see in the 1H NMR spectrum of each of the following compounds?

e.

f.