Which of the following statements is false?

A)Splitting of the hydroxyl proton of an alcohol is not usually observed.

B)Alcohol protons shift to lower fields in more concentrated solutions.

C)Addition of D2O to alcohol will result in an increased intensity of the hydroxyl proton signal.

D)The chemical shift of the hydroxyl proton depends on solvent, temperature, and concentration of the solution

Organic Chemistry 2 NMR chapter