Question

Compare List I and List II and choose the correct matching codes from the choices given.

Column I		Column II
A	Glycerol	1	Sublimation
B	o-nitrophenol	2	Beilstein's test
C	Anthracene	3	Victor-Meyer's method
D	Halogens	4	Steam distillation
E	Molecular weight	5	Vacuum distillation
		6	Eudiometry

• A. A= 5 ,B= 4 ,C= 1 ,D= 2 ,E= 3
• B. A= 4 ,B= 5 ,C=1 ,D=6 ,E=3
• C. A= 6,B= 4,C= 1 ,D=3 ,E=3
• D. A= 5,B= 4 ,C=6 ,D=2 ,E=3

Answer 1

Answer: (A)

Sublimation conversion of solid directly into gaseous phase. The liquid state does not exist. e.g., naphthalene, anthracene.
Beilstein test simple chemical test for halogens. Victor-Meyer's method Standard laboratory method for determining the molecular weight of a volatile liquid.
Steam distillation vaporisation of the volatile constituents of a liquid. It is special type of distillation for a temperature sensitive materials like aromatic natural compounds. e.g., ortho nitrophenol, cinnamaldehyde. Vacuum distillation at reduced pressure. It is generally used in case of high boiling liquids which decompose below their normal boiling points, cannot be purified by distillation at atmospheric pressure e.g., glycerol. Eudiometry it is the process of determining the constituents of a gaseous mixture by eudiometer. It is used for ascertaining the purity of air or amount of $O_2$ in it.