1.

Steam distillation is used to purify a compound which is steam volatile and insoluble in water. The impurities should not be steam volatile. It is based on the principle that liquid will boil when partial sure. p=p_(1)+p_(2). It reduces the boiling point of liquid.("Weight of water distilled")/("Wt of substance distilled")=("M.wt of water"xx"V.P. of steam")/("M.Wt of substance"xx "V.P. of aniline")Which of the following is steam volatile

Answer»

o-nitrophenol
p-nitrophenol
p-hydroxy BENZALDEHYDE
ETHANOL

SOLUTION :O-nitro phenol is STEAM volatitle SINCE it has intra molecular H - bonding.


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