For the compound $C_2{H}_5\mathrm{Br}$ (bromoethane), how many distinct $1^H$ NMR signals are expected?

Given the compound ${\mathrm{CH}}_3\mathrm{CH}{2}_{}\mathrm{CH}{3}_{}$ (propane), how many distinct ${13}^C$ NMR signals would you expect to observe?

How many $1^H$ NMR signals will be observed for ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$ (n-butane)?

How many distinct signals would you expect to observe in the $1^H$ NMR spectrum of ${\mathrm{CH}}_{3}O{\mathrm{CH}}_3$ (dimethyl ether)?

How many unique $1^H$ NMR signals would you expect to see for ${\mathrm{CH}}_{3}O{\mathrm{CH}}_2{\mathrm{CH}}_3$ (methoxyethane)?

How many distinct $1^H$ NMR signals would be observed for 2-methylcyclohexanol?

In $1^H$ NMR spectroscopy, how many distinct signals would you expect to observe in the alkene/aromatic region (chemical shift $>5$ ppm) for benzene?

Which of the following compounds exhibits three signals in its ${13}^C$ NMR spectrum?

How many $1^H$ NMR signals would you expect from ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Cl}$ (1-chloropropane)?