For each of the following compounds, determine the multiplicity of each signal in the expected 1H NMR spectrum: Simply explain your reasoning.
a) CH₃CH₂OH (Ethanol) - Singlet
b) CH₃CH₂CH₂OH (1-Propanol) - Triplet
c) CH₃COOH (Acetic acid) - Doublet
d) CH₃OCH₃ (Dimethyl ether) - Singlet