Question

List - 1	List - 2
Fraction	Temperature
A) Heavy oil	1) $upto{170}^{0}C$
B) Anthracene oil	2)${170}^0-{230}^{0}C$
C) Light oil	3) ${230}^0-{270}^{0}C$
D) Middle oil	4) ${270}^0-{400}^{0}C$

• A. $A-2,B-4,C-3,D-1$
• B. $A-1,B-2,C-3,D-4$
• C. $A-3,B-1,C-4,D-2$
• D. $A-3,B-4,C-1,D-2$

Answer 1

The correct option is D $A-3,B-4,C-1,D-2$

Fraction	Temperature Range	Temperature Range	Name of the fraction	Constituents	$\%$(V/V)
	${}^{0}C$	$K$
1	up to $170$	Up to $443$	Light oil	Benzene,Toulene,Xylene	$2.25$
2	$170-230$	$443-503$	Middle oil	Phenol,Cresol,Napthalene	$7.5$
3	$230-270$	$503-543$	Heavy (Cresote)	Cresol,Napthalene,Naphtol	$16.5$
4	$270-360$	$543-633$	Anthracene (green) oil	Anthracene	$12$
5	-	-	Pitch residue in still	Carbon	$56$

Fractional distillation of Coal oil.