Draw the skeletal formula for A.
The hydrocarbon A, $\text{C}_4\text{H}_{10}$, has a branched isomer. Suggest why unbranched A has a higher boiling point than its branched isomer.
Give the structural formula for B.
Explain why B shows geometrical isomerism.
Draw the mechanism for the reaction of B with bromine, $\text{Br}_2$. Include all necessary charges, dipoles, lone pairs and curly arrows.
Explain the origin of the dipole on $\text{Br}_2$ in this mechanism.
Identify compounds C, D and E.
Write the equation for the reaction between E and aqueous sodium carbonate.
Name the yellow precipitate produced by the reaction between F and alkaline aqueous iodine.
Give the structural formulas of F and G.
Explain what is meant by the term chiral centre.
Identify the bonds responsible for the main peaks above $1500\,\text{cm}^{-1}$ in each spectrum.\n\nSpectrum H.\n\nSpectrum I.
Name compounds H and I.