Tonics in general contain

Wine (alcoholic beverages) contains

Absolute alcohol ($100\%$ alcohol) is obtained by the distillation of rectified spirit over which of the following?

The product $\begin{array}{*{20}{c}} {CH_2 - O - COCH_3} \\ {|} \\ {CH_2 - O - COCH_3} \end{array}$ is obtained by the reaction of which of the following?

Which of the following has the highest boiling point?

The reaction of $2$-cyclohexylethanol with $H^{\oplus}$ and $\Delta$ yields a major product $A$. Identify $A$.