(a) (i) An organic compound (X) having molecular formula $\text{C}_5\text{H}_{10}\text{O}$ can show various properties depending on its structures. Draw each of the structures if it : (I) shows Cannizzaro reaction. (1) (II) reduces Tollens' reagent and has a chiral carbon. (1) (III) gives positive iodoform test. (1) (ii) Write the reaction involved in the following : (2) (I) Clemmensen reduction (II) Etard reaction