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For an ideal solution,Delta(mix)V is ………...

For an ideal solution,`Delta_(mix)V` is ……….and `Delta_(mix)H` is ………. .

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For a non-ideal solution, Delta_(mix)V and Delta_(mix)H are zero.

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If enthalpy of overall reaction XrarrY along one route is Delta_(r)H and Delta_(r)H_(1),Delta_(r)H_(2),Delta_(r)H_(3) …. Representing enthalpies of reactions leading to same product Y then Delta_(r)H is

Assertion (A): Delta_(mix)H and Delta_(mix)V are zero for an ideal solution. Reason (R ): The interactions between the particles of the components of a solution are almost identical as between the particles in liquids.

A solution having Delta_(mix)H =-ve will exhibit ……….deviation from ideal behaviour.

A solution having Delta_(mix)H =+ve will exhibit ……….deviation from ideal behaviour.

Delta_("sub")H= ……………….. + ………………. .

Knowledge Check

  • Assertion:In an ideal solution , Delta_"mix"H is zero Reason :In an ideal solution , A-B interactions are lower than A-A and B-B interactions.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false
    D
    If both assertion and reason are false

  • If enthalpy of overall reaction XrarrY along one route is Delta_(r)H and Delta_(r)H_(1),Delta_(r)H_(2),Delta_(r)H_(3) …. Representing enthalpies of reactions leading to same product Y then Delta_(r)H is

    A
    (a) `Delta_(r)H=Delta_(r)H_(1)+Delta_(r)H_(2)+Delta_(r)H_(3)…`
    B
    (b) `Delta_(r)H=Delta_(r)H_(1)xxDelta_(r)H_(2)xxDelta_(r)H_(3)…`
    C
    (c) `Delta_(r)H=Delta_(r)H_(1)+Delta_(r)H_(2)-Delta_(r)H_(3)…`
    D
    (d) `Delta_(r)H=(Delta_(r)H_(1)xxDelta_(r)H_(2)xxDelta_(r)H_(3))/(2)…`
    • CENGAGE CHEMISTRY ENGLISH-SOLUTIONS-Exercise(Fill In The Blanks)
    1. For an ideal solution,Delta(mix)V is ……….and Delta(mix)H is ………. .

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    2. The values of van't Hoff factors for KCl,NaCl, and K(2)SO(4) respectiv...

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    3. A solution having Delta(mix)H=-ve will exhibit ……….deviation from idea...

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    4. A solution having Delta(mix)H=+ve will exhibit ……….deviation from idea...

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    5. Two solutions having same osmotic pressure are called as ……..solution.

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    6. A solution which has lower osmotic pressure compared to that of other ...

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    7. A solution of benzene and toluene is an example of ………….solution.

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    8. The boiling point of 0.1 M KCl solution is ………..than 100^(@)C.

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    9. The mole fraction of solute in one molal aqueous solution is ………… .

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    10. When a solution of CHCl(3) and acetone is formed, the solution is non-...

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    11. The semi-permeable membrane of any substance allows …………….molecules to...

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    12. In cold countries …………is used as an anti-freezing agent in the radiato...

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    13. The solution showing positive deviation from ideal behaviour have ………a...

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    14. The boiling point of solution is ……..than the boiling point of pure so...

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    15. The freezing point of solution is ……..than the freezing point of pure...

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    16. In reverse osmosis the solvent molecules flow from …………to solvent side...

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    17. The solution which has higher osmotic pressure than some other solutio...

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    18. The Van't Hoff factor of sulphur solution is …………..

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    19. 1 molal solution of NaCl has ………..osmotic pressure than 1 molal soluti...

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