1.

acetone and carbon disulphide form binary liquid solution showing positive deviation from Raolut law. The normal polling point (T_b ) of pure acetone is less than that of pure CS_2 . Pick out the incorrect statements among the following.

Answer»

Boiling temperature of mixture is always less than boiling temperature of acetone.
Boiling temperature AZEOTROPIC mixture is always less than boiling temperature of pure `CS_2`
When a small amount `CS_2` (less VOLATILE component) is ADDED to excess of acetone boiling point of resulting mixture increases.
A mixture of `CS_2` and `CH_3COCH_3` can be completely separated by SIMPLE fractional distillation

Answer :A::C::D


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