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The following graph is obtained for vapour pressure (in atm) (on y -axis) and T (in K ) ( on x -axis) for aqueous urea, solution and water. What is the boiling point (in K) of urea solution? (Atmospheric pressure =1 ~atm )

Options

  1. AT ₁
  2. BT ₂
  3. CT ₃
  4. DT ₄

Correct answer

C. T ₃

Step-by-step solution

Boiling is the temperature at which vapour pressure eanal to the atmospheric pressure. According to given graph, Solution of urea boil at T ₃ where boiling point down the line of 1.0 atm.

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