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Components of a binarey mixture of two l...

Components of a binarey mixture of two liquids A and B were being separted by distillation. After some time separation of components stopped and composition of vapour phase vecame same as that of liquid phase. Both the components stated coming in the distillate. Explain why this happened ?

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This shows that liquids A and B on mixing form a non-ideal solution and for a particular composition, they form an azeotropic mixture.
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Knowledge Check

  • Two volatile and miscible liquids can be separated by fraction distillation into pure components under the conditions when :

    A
    they have low boiling points
    B
    the differences in their boilling points is large
    C
    the boliling points of the liquids are close to each other
    D
    they do not from azeotrophic mixture

  • Two volatile and miscible liquids can be separated by fractional distillations into pure components under the condition into pure components under the condition

    A
    They have low boiling points
    B
    The difference in boiling point is large
    C
    The boiling of two liquids are close to each other
    D
    They do not form axeotropic mixture

  • Two volatile and miscible liquids can be separated by fractional distillation into pure components under the conditions when:

    A
    they have low boiling points
    B
    the difference in their boiling points is large
    C
    the boiling points of the liquids are close to each other
    D
    they do not form azeotropic mixture