V reacts with excess $\text{LiAlH}_4$ to produce W. Draw W in the box.
Identify the role of $\text{LiAlH}_4$ in its reaction with V.
V is converted to Z in one reaction, as shown in Fig. 4.2. Suggest the reagent and conditions required to make Z from V.
Deduce Z's empirical formula.
Complete Table 4.1 so that it gives the number of $sp^2$ and $sp^3$ hybridised carbon atoms present in V.
Q contains only carbon, hydrogen and oxygen. It is saturated, and its carbon skeleton is unbranched. Q has just one functional group. The relative molecular mass of Q is 88. No effervescence is observed when $\text{Na}_2\text{CO}_3$ is added to Q. Effervescence is observed when sodium is added to Q. Q reacts with alkaline $\text{I}_2(aq)$ to give a yellow precipitate. Draw Q's structure in the box.