(a)[2]
W has two positional isomers. Only one exhibits stereoisomerism. Draw the structures of the two positional isomers of W in the boxes.
(b(i))[1]
Describe the origin of stereoisomerism in W.
(b(ii))[1]
State why W shows stereoisomerism but one of the positional isomers in (a) does not.
(c)[1]
Draw the skeletal structure of W's stereoisomer.
(d(i))[1]
W reacts with reagent X to give ethanoic acid and pentanoic acid. State the role of X in this reaction.
(d(ii))[1]
Identify X and state the conditions used for this reaction.