How many distinct signals would be observed in the ${\mathrm{^1}}^H$ NMR spectrum of ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{Cl}$ (ethyl chloride)?

How many distinct signals would be observed in the $1^H$ NMR spectrum of ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$ (ethanol)?

How many distinct signals would you expect to observe in the ${\mathrm{^\{13\}}}^C$ NMR spectrum of ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{OH}$ (1-butanol)?

How many signals would you expect in the $1^H$ NMR spectrum of ${\mathrm{CH}}_3\mathrm{CH}{2}_{\mathrm{CH}}{3}_{\mathrm{CH}}$ (butane)?

How many distinct signals would you expect in the $1^H$ NMR spectrum of ${\mathrm{CH}}_3\mathrm{CH}{2}_{\mathrm{OH}}$ (ethanol)?

How many distinct signals would you expect to observe in the ${13}^C$ NMR spectrum of methane (${\mathrm{CH}}_4$)?

For the compound ${\mathrm{CH}}_3\mathrm{CH}2{\mathrm{CH}}_2\mathrm{OH}$ (1-butanol), how many distinct signals would you expect to observe in its ${13}^C$ NMR spectrum?

Which of the following molecules would exhibit only one singlet in its $1^H$ NMR spectrum?

Which $1^H$ NMR spectrum would be representative of ${\mathrm{CH}}_4$ (methane)?