State the conditions needed for this reaction to proceed.
Suggest a structure for $B$ ($\text{C}_3\text{H}_8$).
Compounds $C$, $D$ and $E$ are isomers with molecular formula $ ext{C}_5 ext{H}_{10}$. When heated with concentrated acidified $ ext{KMnO}_4$, compound $C$ yields $ ext{CO}_2$ and compound $F$ ($ ext{C}_4 ext{H}_8 ext{O}_2$). $D$ and $E$ each produce an equal mixture of compounds $G$ ($ ext{C}_2 ext{H}_4 ext{O}_2$) and $H$ ($ ext{C}_3 ext{H}_6 ext{O}_2$). Suggest structures for compounds $C$-$H$.
Name the isomerism type seen between $D$ and $E$.
Propene, $\text{CH}_3\text{CH}=\text{CH}_2$, reacts with bromine to form 1,2-dibromopropane. How is this reaction usually carried out?
State what type of reaction is taking place here.
Draw the mechanism for this reaction, showing the structures of any intermediates as well as any dipoles, lone pairs and curly arrows needed to track electron movement.