Question

Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.
(a) What could X be?
(b) What could Y be?
(c) Name the process Z.
(d) Which process would you use to recover both the components X and Y from tincture of iodine?
(e) Which process can be used to recover only component Y from tincture of iodine?

Answer 1

Common Separation Processes

Explanation:

1)  X will be Alcohol

2) Y will be Iodine

3)  Z called as Process of Sublimation

4)  Simple Distillation (Separation Process) bacause –

a.) Iodine  (Solid Form)

b.) Alcohol (Liquid Form)

c.) Both of them having Boiling point = 25°C

5) Evaporation is the process which can be used to recover Y from Tincture of Iodine