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Class XII Chemistry Solutions 1

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Question 1

For 1 molal aqueous solution of the following compounds, which one will show the highest freezing point?

Question 2

0.1 M NaCl and 0.1 M glucose would exert

Question 3

based on the graph between boiling point and mole fraction of liquid phase of binary mixture. What can we predict about mixture?

Question 4

Which of the following aqueous solution will exert maximum osmotic pressure at 300 K?

Question 5

The Van’t Hoff factor for a dilute aqueous solution of glucose is 

Question 6

Which of the following is correct for a non-ideal solution of liquids A and B, showing positive deviation?

Question 7

The correct term for solution that contains the maximum quantity of solute at a given temperature?

Question 8

What is the concentration, in % (m/v) of a solution containing 15.0 g KCl in 600.0 mL solution?

Question 9

How would you prepare 500.0 mL of a 2.00 mol/L solution of HCl from a solution of 12.0 mol/L?

Question 10

Two completely miscible liquids A & B form an ideal solution. What is the vapour pressure of solution containing 2 moles of A and 3 moles of B at 300K?[Given: At 300 K, Vapour pr. of pure liquid A(P_A^o) = 100 torr and Vapour pr. of pure liquid B (P_B^o) = 300 torr]

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