Chapter 1, Problem 49P

Write structural formulas of the type indicated: (a) bond-line formulas for seven constitutional isomers with the formula ${\text{C}}_{\text{4}}{\text{H}}_{\text{10}}\text{O}$; (b) condensed structural formulas for two constitutional isomers with the formula ${\text{C}}_2{\text{H}}_7\text{N}$; (c) condensed structural formulas for four constitutional isomers with the formula ${\text{C}}_3{\text{H}}_9\text{N}$; (d) bond-line formulas for three constitutional isomers with the formula ${\text{C}}_5{\text{H}}_{12}$.