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Question

Which of the following is not obtained by fractionation of coal tar ?

A
Light oil
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B
Heavy oil
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C
Middle oil
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D
Vegetable oil
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Solution

The correct option is C Vegetable oil
Fraction Temperature
Range
Temperature
Range
Name of the fraction Constituents %(V/V)
0C K
1 up to 170 Up to 443 Light oilBenzene,Toulene,Xylene 2.25
2 170230 443503 Middle oil Phenol,Cresol,Napthalene,Naphtol 7.5
3 230270 503543 Heavy (Cresote) Cresol,Napthalene,Naphtol 16.5
4 270360 543633 Anthracene (green)
oil
Anthracene 12
5 - - Oitch residue in still Carbon 56

Vegetable oil is not obtained by coal tar.

Option D is correct.

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