When the 1HNMR spectrum of an alcohol is run in dimethyl sulfoxide (DMSO) solvent rather than in chloroform, exchange of the O—H proton is slow and spin—spin splitting is seen between the O—H proton arid C—H protons on the adjacent carbon. What spin multiplicities would you expect for the hydroxyl protons in the following alcohols?

(a) 2-Methyl-2-propanol

(b) Cyclohexanol

(c) Ethanol

(d) 2-Propanol

(e) Cholesterol

(f) 1-Methylcyclohexanol