a.
Hydrobration oxidation proceeds with anti-Markovnikov addition, so it would give (I), while acide-cataylsed hydration and mercuration-demercuration reaction proceed with Merkovnikov addition, so it would give (II).
Synthesis:
i.
ii.
b.
The 4C-atom chain has to be increased to 5C-chain by a GR. with `CH_(2)=O`.
(I)
c.
The 3C-atom chain has to be increased to 5C-chain by a
e.
f. `overset (MeCH_(2)Me) underset (Propane (A))` `rarr H_(2)C` == `overset (CH--CH_(2) OH) underset (Allyl aclohol (I))`