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Pure water freezes at 273 K and 1 bar. T...

Pure water freezes at `273 K` and 1 bar. The addition of `34.5 g` of ethanol to `500 g` of water changes the freezing point of the solution. Use the freezing point depression contant of water as `2 K kg mol^(-1)`. The figures shown below represent polts of vapour (V.P.) versus temperature (T). [Molecular weight of ethanol is `46g mol^(-1)`]
Among the following, the option representing change in the freezing point is

A

B

C

D

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The correct Answer is:
A
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Knowledge Check

  • Pure water freezes at 273 K and 1 bar. The addition of 34.5 g of ethanol to 500 g of water changes the freezing point of the solution. Use the freezing point depression constant of water as 2 K kg mol^(-1). The figures shown below represent plots of vapour pressure (V.P.) versus temperature (T). [molecular weight of ethanol is 46 g mol^(-1) Among the following, the option representing change in the freezing point is

    A
    B
    C
    D

  • Pure water freezes at 273 K and 1 bar. The addition of 34.5 g of ethanol to 500 g of water changes the freezing point of the solution. Use the freezing point depression constant of water at "2 K kg mol"^(-1) . The figures shown below represent plots of vapour pressure (V.P.) versus temperature (T) [Molecular weight of ethanol is "46 g mol"^(-1) ]. Among in the freezing point is

    A
    B
    C
    D

  • Pure water freezes at 273 K and 1 bar. The addition of 34.5g of ethanol to 500g of water changes the freeing point of the solution. Use of f.p. depression constant of water as 2Kg mol^(-1) . The figures shown below represents plot of vapour pressure (V.P.) versus temperature (T) (mol wt. of ethanol =46 g mol^(-1) ). Among the following the option representing change in the f.p. is

    A
    B
    C
    D
    • IIT-JEE PREVIOUS YEAR (CHEMISTRY)-SOLUTIONS AND COLLIGATIVE PROPERTIES-TOPIC 2 (Objective Questions I)
    1. Pure water freezes at 273 K and 1 bar. The addition of 34.5 g of ethan...

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