Q23 / 160 · TS EAMCET 2021 (05 Aug Shift 1) · Chemistry

Match the following.
A Ebullioscopic constant I Depression of freezing point
B Cryoscopic constant II Total pressure is the sum of partial pressures of the components
C Henry's law III Elevation of boiling point
D Dalton's law IV Solubility of a gas in liquid

The correct match is

  • A
    A-III, B-I, C-II, D-IV
  • B
    A-I, B-III, C-II, D-IV
  • Correct answer
    C
    A-III, B-I, C-IV, D-II
  • D
    A-I, B-III, C-IV, D-II

Solution

Ebullioscopic constant is associated with elevation of boiling point.

∆Tb=i×kb×m

Cryoscopic constant is associated with depression of freezing point.

∆Tf=i×kf×m

Henry's law is associated with solubility of a gas in liquid.

Pgas=KH.Xgas

Dalton's law is associated with total pressure is the sum of partial pressures of the components.

Ptotal=P1+P2+P3+...

Hence, the correct answer is option: 'C'.

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