Which of the following statements best describes the $H^1$ NMR spectrum of acetanilide?

Which of the following statements best describes the $1^H$ NMR spectrum of benzaldehyde?

Which of the following best describes the expected $1^H$ NMR spectrum of diacetylferrocene?

Which of the following best describes the expected $1^H$ NMR spectrum of acetophenone ($C_6{H}_5\mathrm{COCH}{3}_{}$) in terms of the number of distinct proton signals?

Which of the following 1H NMR spectra best corresponds to diethyl ether ($C_2{H}_{5}O{C}_2{H}_5$)?

Which of the following best describes the expected $1^{1}H$ NMR spectrum of triphenylmethanol ($C{19}_{}H{16}_{}O$) in CDCl$3_{}$?