What is obtained by the oxidation of isopropyl alcohol?

Methanol and ethanol are miscible in water due to

Alcohols react with active metals,e.g.,$Na, K$ etc. to give corresponding alkoxides. Write down the decreasing order of reactivity of sodium metal with primary,secondary and tertiary alcohols.

Order of reactivity of alcohols towards sodium metal is

The major product is:

Isopropyl alcohol heated at $300\,^{\circ}C$ with a copper catalyst forms: