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15 cm^3 of liquied 'x' and 20 cm^3 of li...

15 `cm^3` of liquied 'x' and 20 `cm^3` of liquid 'y' are mixed at `20^@C` and the volume of solution was measured to be 35.1 `cm^3` then correct reaction is

A

`DeltaH_"mix" lt 0` , solution shows +ve deviation

B

`DeltaH_"mix" gt 0` , solution shows +ve deviation

C

`DeltaH_"mix" lt 0` , solution shows -ve deviation

D

`DeltaH_"mix" gt0` , solution shows -ve deviation

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-SOLUTIONS -Objective Exercise -1
  1. For an ideal solution of two components A and B, If xA and yA are mole...

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  2. A liquid is in equilibrium with its vapour at its boiling point, on th...

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  3. 15 cm^3 of liquied 'x' and 20 cm^3 of liquid 'y' are mixed at 20^@C an...

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  4. Acetone (BP 329K) and CS2 (BP 320K) are mixed in a definite compositio...

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  5. Which one of the following is not correct ?

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  6. Which of the following statements are correct (a) the boiling point ...

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  7. The graph obtained by taking vapour pressure (P) of a liquid on y-axis...

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  8. Which graph of the following represents the graph between log p (on Y ...

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  9. Which of the following solutions will have the lowest vapour pressure

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  10. 6 g of urea is dissolved in 90g of boiling water. The vapour pressure ...

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  11. At a given temperature (a) Vapour pressure of a solution containing ...

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  12. As temperature increases, vapour pressure of a liquid

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  13. Statement-1: Acetone + Carbon disulphide solution shows positive devia...

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  14. Which one of the following is correct for solutions of components of A...

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  15. When mercuric iodide is added to the aqueous solution of potassium iod...

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  16. The degree of dissociation (alpha) of a weak electrolyte Ax By is rela...

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  17. Which of the following aqueous solution has the highest boiling point ...

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  18. When mercuric iodide is added to the aqueous solution of potassium iod...

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  19. In the depression of freezing point experiment, it is found that (a...

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  20. During the depression in freezing point experiment, an equilibrium is ...

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