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Which pair(s) of liquids on mixing is/ar...

Which pair(s) of liquids on mixing is/are expected to show no net volume change and no heat effect?

A

Acetone and ethanol

B

Chlorobenzene and bromobenzene

C

Chloroform and benzene

D

n-Butyl chloride and n-butyl bromide

Text Solution

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The correct Answer is:
B, D
`Delta_("mixing") V= 0`,`Delta_("mixing") H= 0`,`rArr` Look for ideal solutions.
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Assertion : The difference between DeltaH and DeltaU is not significant for systems consisting of only solids and/or liquids. Reason : Solids and liquids do not suffer any significant volume changes upon heating.

CENGAGE CHEMISTRY-SOLUTIONS-Exercises (Multiple Correct)
  1. Which of the following statements is/are correct?

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  2. For a non-volatile solute

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  3. To 10 mL of 1 M BaCl(2) solution 5mL of 0.5 M K(2)SO(4) is added. BaS...

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  4. A difference between diffusion and osmosis is

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  5. 1 mol benzene (P^(@)("benzene")=42 mm) and 2 mol toluence (P^(@)("to...

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  6. Which of the following statements is/are correct?

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  7. Consider the two solutions: I: 0.5 M NaCl aqueous solution at 25^(@)...

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  8. Which pair(s) of liquids on mixing is/are expected to show no net volu...

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  9. The following is a graph plotted between the vapour pressure of two vo...

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  10. Consider the following solutions: I.1 M sucrose , II. 1 M KCl III...

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  11. The osmotic pressure of a solution depends on

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  12. 1.2575 g sample of [Cr(NH(3))(6)]SO(4)Cl(Mw=251.5) is dissolved to pre...

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  13. 2 L of 1 molal solution of a complex salt CrCl(3).6H(2)O (Mw=266.5) s...

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  14. Which of the following combinations are correct for a binary solution,...

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  15. Effect of adding a non-volatie solute to a solvent is"

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  16. Which of the following forms is an ideal solution?

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  17. For a given value of degree of dissociation, which of the following ha...

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  18. Choose the correct option:

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  19. When acetone and chloroform are mixed, hydrogen bonding takes place be...

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  20. A maxima or minima is obtained in the temperature. The composition cur...

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