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NEET Official Answer Key 2024 by NTA Out at exams.nta.ac.in

Ideal Solution - Practice Questions & MCQ

Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET

Quick Facts

  • Ideal Solution is considered one of the most asked concept.

  • 31 Questions around this concept.

Solve by difficulty

Equimolal solutions in the same solvent have

Which one of the following is incorrect for ideal solution?

Which condition is not satisfied by an ideal solution?

If liquids A and B  form an ideal solution, the

Concepts Covered - 2

Ideal Solution

Ideal solutions are the solutions in which solute-solute and solvent-solvent interactions are almost similar to solute-solvent interactions (A-B=A-A or B-B interactions) and such solutions satisfy the following requirements:

  • They obey Raoult's law for all ranges of concentrations and temperature.
  • ΔH(mix) = 0
  • ΔV(mix) = 0
  • Here (V.P)obs = (VP)exp
    (B.P)obs = (B.P)exp
    PA = PAoXA
    PB = PBoXB
    PT = PA + PB
  • No dissociation or association takes place here.
  • No chemical reaction between solute and solvent.
  • It does not form azeotrope.

Examples of Ideal solution

For the solutions to follows the ideal solution at all ranges of concentrations and temperatures. then the molecular size of the liquids should be nearly the same. 
For example:

  • CH3OH + C2H5OH: Both these liquids are polar and have nearly the same size. Thus, this solution is an ideal solution.
  • C2H5Br2 + C2H5Cl2Both these liquids are polar and have nearly the same size. Thus, this solution is an ideal solution.
  • C2H5Cl + C2H5Br: Both these liquids are polar and have nearly the same size. Thus, this solution is an ideal solution.
  • C6H6 + C6H5CH3Both these liquids are non-polar and have nearly the same size. Thus, this solution is an ideal solution.
  • C2H5Cl + C2H5I: Both these liquids are polar but the size difference between the molecules is large. Thus, this solution is not an ideal solution.

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Ideal Solution
Examples of Ideal solution

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