Lawrie Ryan and Roger Norris Solutions for Chapter: Introduction to Organic Chemistry, Exercise 3: Question

On analysis, a hydrocarbon was found to contain $0.72 \mathrm{g}$ of carbon and $0.18 \mathrm{g}$ of hydrogen. Further investigation showed that the relative molecular muss of the hydrocarbon was $30$. Deduce its molecular formula.

A compound contains the elements carbon, hydrogen and oxygen. Its empirical formula is ${\mathrm{CH}}_2\mathrm{O}$ and its relative molecular mass is $60$. Deduce the molecular formula of the compound.

Draw the displayed formula of ethene (molecular formula ${\mathrm{C}}_2{\mathrm{H}}_4$).

Draw the displayed formula of propane (molecular formula ${\mathrm{C}}_3{\mathrm{H}}_8$).

Draw the skeletal formula of pentane, a straight-chain hydrocarbon with a molecular formula of ${\mathrm{C}}_5{\mathrm{H}}_{12}$.

Draw the skeletal formula of the following molecule.

Draw the skeletal formula of the following molecule.

Draw the skeletal formula of the following molecule.