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does fractional DISTILLATION of coaltar leds to formation of benzene??????????

does fractional DISTILLATION of coaltar leds to formation of benzene??????????

Grade:9

1 Answers

shayma taleeb
14 Points
10 years ago

Arenes are isolated by fractional distillation of coal tar

name of fraction temprature range main constituent
light oil fraction upto443 benzen,toluene,xylene
middle oil fraction 443-503 phenol , naphthalene , pyridine
heavy oil fraction 503-543 naphthalene , naphthol and cresol
green oil 543-633 anthracene ,phenanthrene
pitch (left as residue) non-volatile carbon

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