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Electrical Conductivity of Liquids

25.An aqueous...

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25.An aqueous solution of 0.01M KCl causes the same elevation in boiling point as an aqueous solution of urea . The concentration of urea solution is ??

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Q. Elevation in boiling point of an aqueous urea solution is

{0.52}^{o} C

(K_{2} = 0.52 K m o l - 1 k g)

Then, mole fraction of urea in the solution is:

Q. An 8% aqueous solution of urea (by mass of solvent) has an elevation in boiling point of

x_{1}

. 20% aqueous solution of glucose (by mass of solvent) has an elevation in boiling point of

x_{2}

. If these two solutions are mixed, then the elevation in boiling point is

x_{3}

Q. An 8% aqueous solution of urea (by mass of solvent) has an elevation in boiling point of

x_{1}

. 20% aqueous solution of glucose (by mass of solvent) has an elevation in boiling point of

x_{2}

. If these two solutions are mixed, then the elevation in boiling point is

x_{3}

Q. An aqueous solution containing one gram of urea boils at

{100.25}^{o} C

. The aqueous solution containing 3 gm of glucose in the same volume will boil at:

Q. Assertion :An aqueous solution of HCl is a much better conductor of electricity than an aqueous solution of

C H_{3} C O O H

of the same concentration. Reason: The freezing point depression and the boiling point elevation of weak electrolytes are significantly less than for strong electrolytes of the same concentration.

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