Why is gold less reactive than iron?

The metals copper, silver gold and platinum are less reactive than hydrogen and they do not replace hydrogen from water or acid. Examples for metal-displacement reactions: Zinc can displace copper from copper sulphate solution and iron from ferrous sulphate solution. So zinc is more reactive than iron and copper. 

The correct answer is c

Deposition is the transition of matter going from gas to solid without passing through the liquid phase.a.) gas—-> solid