State the process by which A, B and C could be obtained from $\text{C}_{10}\text{H}_{22}$.
Draw the structures for these three structural isomers.
Only A exhibits geometrical isomerism. Explain what is meant by the term geometrical isomerism.
Draw the displayed formula of A, then use it to demonstrate the mechanism for the reaction between A and HBr. Include every required charge, dipole, lone pair and curly arrow.
State what is meant by the term chiral centre.
Name compound B.
X occurs as a pair of optical isomers. Draw these isomers in the conventional three-dimensional representation.
Explain why X is obtained in a higher yield than Y.
Name compound C.
Draw the displayed formula for each structural isomer formed in the reaction of C with $\mathrm{HBr}$.