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When benzoic acid dissolve in benzene, t...

When benzoic acid dissolve in benzene, the observed molecular mass is

A

244

B

61

C

366

D

122

Text Solution

Verified by Experts

The correct Answer is:
A
Benzoic acid in benzene undergoes association through intermolecular hydrogen bonding.
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ERRORLESS -SOLUTION -ORDINARY THINKING OBJECTIVE QUESTIONS (Abnormal molecular mass )
  1. 0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If K(f)...

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  2. The van't Hoff factor i for a compound which undergoes dissociation in...

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  3. The freezing point depression constant for water is -1.86^(@)Cm^(-1).i...

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  4. A solution containing 10 g per dm^(3) of urea (mol.wt. = 60 g mol^(-1)...

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  5. The correct relationship between the boiling points of very dilute sol...

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  6. Van't Hoff factor of Ca(NO(3))(2) is

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  7. The molecular mass of acetic acid dissolved in water is 60 and when di...

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  8. Four solutions of K(2)So(4) with the concentrations 0.1m ,0.001 m, and...

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  9. Dry air was passed successively through a solution of 5 gm of a solute...

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  10. One mole of a solute A is dissolved in a given volume of solvent. The ...

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  11. If alpha is the degree of dissociation of Na(2)SO(4) the van't Hoff's ...

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

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  13. Observe the following observations : pi(obs)= observed colligative p...

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  14. If the various terms in the following expressions have usual meanings,...

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  15. The Van't Hoff factor calculated from association data is always "" th...

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  16. When benzoic acid dissolve in benzene, the observed molecular mass is

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  17. Which of the following compounds corresponds Van't Hoff factor 'i' to ...

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  18. The Van't Hoff factor i for a 0.2 molal aqueous solution of urea is

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  19. Assertion : Molecular mass of benzoic acid when determined by colligat...

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  20. Each question contains STATEMENT-I(Assertion) and STATEMENT-2(Reason)....

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