1. The Henry's law constant \(\left(\text{K}_\text{H}\right)\) values of three gases (A, B, C) in water are \(145\), \(2 \times 10^{-5}\) and \(35\) kbar, respectively. The solubility of these gases in water follow the order:

(1).A > C > B

(2). A > B > C

(3). B > A > C

(4). B > C > A

2. The plot of osmotic pressure (\(\pi\)) vs concentration (\(\text{mol L}^{-1}\)) for a solution gives a straight line with slope \(25.73\,\text{L bar mol}^{-1}\). The temperature at which the osmotic pressure measurement is done is
(Use \(\text{R}\,=\, 0.083\,\text{L bar mol}^{-1}\text{K}^{-1}\))

(1).\(25.73^\circ\,\text{C}\)

(2). \(12.05^\circ\,\text{C}\)

(3). \(37^\circ\,\text{C}\)

(4). \(310^\circ\,\text{C}\)

3. Which of the following aqueous solution will exhibit highest boiling point?

(1).\(\text{0.015M}\,C_6H_12O_6\)

(2). \(\text{0.01M Urea}\)

(3). \(\text{0.01M}\, KNO_3\)

(4). \(\text{0.01M}\, Na_2SO_4\)

4. Match List - I with List - II

Choose the correct answer from the options given below :

(1).A-III, B-II, C-I, D-IV

(2). A-II, B-IV, C-I, D-III

(3). A-II, B-I, C-IV, D-III

(4). A-III, B-I, C-IV, D-II

5. 5 moles of liquid X and 10 moles of liquid Y make a solution having a vapour pressure of 70 torr. The vapour pressures of pure X and Y are 63 torr and 78 torr respectively, Which of the following is true regarding the described solution?

(1).The solution has volume greater than the sum of individual volumes.

(2). The solution shows positive deviation.

(3). The solution shows negative deviation.

(4). The solution is ideal.