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Question

# 100 ml of liquid A and 25 ml of liquid B is mixed to give a solution which does not obey Raoult's law. The volume of the solution :

A
will be 125 ml
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B
can be > or < than 125 ml
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C
can be greater than, equal to or less than 125 ml
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D
will be less than 125 ml
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Solution

## The correct option is C can be > or < than 125 mlWhen liquid A and liquid B forms an ideal solution, the total volume will be equal to the sum of the individual volumes.Vtotal=VA+VB=100+25=125ml.However if the solution shows deviation from Raoult's law, the total volume will be either less than (for negative deviation) or greater than (for positive deviation) 125 ml.

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