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Which of the following conditions is cor...

Which of the following conditions is correct for an ideal solution?

A

`Delta_(mix)V=0 and Delta_(mix)S=0`

B

`Delta_(mix)Hgt 0 and Delta_(mix)Sgt 0`

C

`Delta_(mix)V=0 and Delta_(mix)Sgt 0`

D

`Delta_(mix)H=0 and Delta_(mix) gt0`

Text Solution

Verified by Experts

The correct Answer is:
3
A solution that obeys Raoult's law over the entire range of concentration is called an ideal solution. Raoult's law states that the partial vapor pressure of a volatile component in a solution at a given temperature, is equal to the vapour pressure of pure component, at the same temperature, multiplied by the mole fraction of component in the solution.
For such a solution, we have
`Delta_(mix)H=0, Delta_(mix) V=0`
`Delta_(mix) S gt 0, Delta_(mix) G= lt 0`
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Knowledge Check

  • Which of the following conditions is not correct for ideal solution-

    A
    no change in volume on mixing
    B
    no change in enthalpy on mixing
    C
    it obey’s Raoult’s law
    D
    Ionisation of solute should occurs to a small extent

  • Which of the following conditions is not correct for ideal solution?

    A
    No change in volume on mixing
    B
    No change in enthalpy on mixing
    C
    It obeys Raoult's law
    D
    Ionisation of solute should occur to a small extent

  • Which of the following conditions is not correct for ideal solution:

    A
    no change in volume on mixing
    B
    no change in enthalpy on mixing
    C
    it obet's Raoult's law
    D
    Ionisation of solute should occurs to a small extent