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For an ideal solution, the correct optio...

For an ideal solution, the correct option is:

A

`Delta_("mix") S = 0` at constant T and P

B

`Delta_("mix") V ne 0` at constant T and P

C

`Delta_("mix") H = 0 ` at constant T and P

D

`Delta_("mix") G = 0` at constant T and P

Text Solution

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The correct Answer is:
C
For an ideal solution `Delta H_("mix") = 0`
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MODERN PUBLICATION-SOLUTIONS-COMPETITION FILE (B. MULTIPLE CHOICE QUESTIONS(MCQ))
  1. The van't hoff factor (i) for a dilute aqueous solution of the strong ...

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  2. IF molality of the dilute solution is doubled the value of mol...

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  3. For an ideal solution, the correct option is:

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  4. The mixture that forms maximum boiling azeotrope is :

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  5. At 80^(@)C the vapour pressure of pure liquid 'A' is 520 mm Hg and tha...

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  6. The vapour pressure of water at 20^(@) C is 17.5 mm Hg. If 18 g of gul...

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  7. Two liquids X and Y form an ideal solution. The mixture has a vapour p...

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  8. 6% (W/V) solution of urea will be isotonic with:

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  9. The difference between the boiling point and freezing point of an aque...

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  10. Two liquids X and Y form an ideal solution. At 300K, vapour pressure o...

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  11. If sodium sulphate is considered to be completely dissociated into cat...

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  12. On mixing, heptane and octane form an ideal solution. At 373K the vapo...

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  13. A solution containing 1.8 g of a compound (empirical formula CH(2)O) ...

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  14. A 3.5 molal aqueous solution of methyl alchol (CH(3)OH) is supplied. W...

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  15. Ethylene glycol is used as an antifreeze in a cold climate. Mass of et...

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  16. The degree of dissociation (alpha) of a weak electrolyte, A(x)B(y) is ...

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  17. The molality of a urea solution in which 0.0100 g of urea, [(NH(2))...

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  18. A5% solution of cane sugar (molar mass =342)is isotonic with 1%of a so...

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  19. 58.5 g of NaCl and 180 g of glucose were separately dissolved in 1000 ...

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  20. Freezing point of an aqueous solution is -0.186^(@)C. Elevation of boi...

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