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MCQ on NMR spectroscopy: Page-3

How many number of peaks are possible in 1H NMR spectra of following compound?
ethyl chloride

(A) 1

(B) 2

(C) 3

(D) 4

How many number of peaks are possible in proton NMR spectra of the following cyclic compound?

(A) 2

(B) 3

(C) 4

(D) 5

Enantiotropic protons are

(A) Chemically equivalent

(B) Magnetically equivalent

(C) Both A and B

(D) Does not give NMR signal

Assess how many signals are possible for the following compound in proto NMR spectroscopy.

(A) 6

(B) 3

(C) 4

(D) 5

Arrange the following nuclei in the decreasing order of their relative chemical shifts in proton NMR spectroscopy.

(A) 1.3

(B) 1.5

(C) 0.9

(D) 2.5