Which of the following conditions is cor...

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

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

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

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

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

Text Solution

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The correct Answer is:

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

no change in volume on mixing

no change in enthalpy on mixing

it obey’s Raoult’s law

Ionisation of solute should occurs to a small extent

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

No change in volume on mixing

No change in enthalpy on mixing

It obeys Raoult's law

Ionisation of solute should occur to a small extent

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