02. SOLUTIONS[KARNATAKA CET EXCLUSIVE]
CHEMISTRY(KCET)

285355 Henry's law constant for the solubility of\(\mathrm{N}_2\) gas in water at 298 K is \(1.0 \times 10^5 \mathrm{~atm}\). The mole fraction of \(\mathrm{N}_2\) in air is 0.8 . The number of moles of \(\mathrm{N}_2\) from air dissolved in 10 moles of water at 298 K and 5 atm pressure is

1 \(4.0 \times 10^{-4}\)
2 \(4.0 \times 10^{-5}\)
3 \(5.0 \times 10^{-4}\)
4 \(4.0 \times 10^{-6}\)
CHEMISTRY(KCET)

285356 Choose the correct statement.

1 \(K_{\mathrm{H}}\) value is same for a gas in any solution.
2 Higher the\(K_{\mathrm{H}}\) value more the solubility of gas.
3 \(K_{\mathrm{H}}\) value increases on increasing the temperature of the solution.
4 Easily liquefiable gases usually have lesser\(K_{\mathrm{H}}\) values.
CHEMISTRY(KCET)

285357 The\(\bar{K}_{\mathrm{H}}\) value (kbar) of argon (I), carbon dioxide (II), formaldehyde (III) and methane (IV) are respectively \(40.3,1.67,1.83 \times 10^{-5}\) and 0.413 at 298 K . The increasing order of solubility of gas in liquid is

1 I\(<\) II \(<\) IV \(<\) III
2 III\(<\) IV \(<\) II \(<\) I
3 I\(<\) III \(<\) II \(<\) IV
4 I\(<\) IV \(<\) II \(<\) III
CHEMISTRY(KCET)

285358 The vapour pressure of pure liquids\(A\) and \(B\) are 450 and 700 mm of Hg at 350 K respectively. If the total vapour pressure of the mixture is 600 mm of Hg , the composition of the mixture in the solution is

1 \(x_A=0.4, x_B=0.6\)
2 \(x_A=0.6, x_B=0.4\)
3 \(x_A=0.3, x_B=0.7\)
4 \(x_A=0.7, x_B=0.3\)
CHEMISTRY(KCET)

285366 Which of the following aqueous solutions has highest freezing point?

1 0.1 molal Al\(\left(\mathrm{SO}_4\right)_3\)
2 0.1 molal\(\mathrm{BaCl}_2\)
3 0.1 molal\(\mathrm{AlCl}_3\)
4 0.1 molal\(\mathrm{NH}_4 \mathrm{Cl}\)
CHEMISTRY(KCET)

285355 Henry's law constant for the solubility of\(\mathrm{N}_2\) gas in water at 298 K is \(1.0 \times 10^5 \mathrm{~atm}\). The mole fraction of \(\mathrm{N}_2\) in air is 0.8 . The number of moles of \(\mathrm{N}_2\) from air dissolved in 10 moles of water at 298 K and 5 atm pressure is

1 \(4.0 \times 10^{-4}\)
2 \(4.0 \times 10^{-5}\)
3 \(5.0 \times 10^{-4}\)
4 \(4.0 \times 10^{-6}\)
CHEMISTRY(KCET)

285356 Choose the correct statement.

1 \(K_{\mathrm{H}}\) value is same for a gas in any solution.
2 Higher the\(K_{\mathrm{H}}\) value more the solubility of gas.
3 \(K_{\mathrm{H}}\) value increases on increasing the temperature of the solution.
4 Easily liquefiable gases usually have lesser\(K_{\mathrm{H}}\) values.
CHEMISTRY(KCET)

285357 The\(\bar{K}_{\mathrm{H}}\) value (kbar) of argon (I), carbon dioxide (II), formaldehyde (III) and methane (IV) are respectively \(40.3,1.67,1.83 \times 10^{-5}\) and 0.413 at 298 K . The increasing order of solubility of gas in liquid is

1 I\(<\) II \(<\) IV \(<\) III
2 III\(<\) IV \(<\) II \(<\) I
3 I\(<\) III \(<\) II \(<\) IV
4 I\(<\) IV \(<\) II \(<\) III
CHEMISTRY(KCET)

285358 The vapour pressure of pure liquids\(A\) and \(B\) are 450 and 700 mm of Hg at 350 K respectively. If the total vapour pressure of the mixture is 600 mm of Hg , the composition of the mixture in the solution is

1 \(x_A=0.4, x_B=0.6\)
2 \(x_A=0.6, x_B=0.4\)
3 \(x_A=0.3, x_B=0.7\)
4 \(x_A=0.7, x_B=0.3\)
CHEMISTRY(KCET)

285366 Which of the following aqueous solutions has highest freezing point?

1 0.1 molal Al\(\left(\mathrm{SO}_4\right)_3\)
2 0.1 molal\(\mathrm{BaCl}_2\)
3 0.1 molal\(\mathrm{AlCl}_3\)
4 0.1 molal\(\mathrm{NH}_4 \mathrm{Cl}\)
CHEMISTRY(KCET)

285355 Henry's law constant for the solubility of\(\mathrm{N}_2\) gas in water at 298 K is \(1.0 \times 10^5 \mathrm{~atm}\). The mole fraction of \(\mathrm{N}_2\) in air is 0.8 . The number of moles of \(\mathrm{N}_2\) from air dissolved in 10 moles of water at 298 K and 5 atm pressure is

1 \(4.0 \times 10^{-4}\)
2 \(4.0 \times 10^{-5}\)
3 \(5.0 \times 10^{-4}\)
4 \(4.0 \times 10^{-6}\)
CHEMISTRY(KCET)

285356 Choose the correct statement.

1 \(K_{\mathrm{H}}\) value is same for a gas in any solution.
2 Higher the\(K_{\mathrm{H}}\) value more the solubility of gas.
3 \(K_{\mathrm{H}}\) value increases on increasing the temperature of the solution.
4 Easily liquefiable gases usually have lesser\(K_{\mathrm{H}}\) values.
CHEMISTRY(KCET)

285357 The\(\bar{K}_{\mathrm{H}}\) value (kbar) of argon (I), carbon dioxide (II), formaldehyde (III) and methane (IV) are respectively \(40.3,1.67,1.83 \times 10^{-5}\) and 0.413 at 298 K . The increasing order of solubility of gas in liquid is

1 I\(<\) II \(<\) IV \(<\) III
2 III\(<\) IV \(<\) II \(<\) I
3 I\(<\) III \(<\) II \(<\) IV
4 I\(<\) IV \(<\) II \(<\) III
CHEMISTRY(KCET)

285358 The vapour pressure of pure liquids\(A\) and \(B\) are 450 and 700 mm of Hg at 350 K respectively. If the total vapour pressure of the mixture is 600 mm of Hg , the composition of the mixture in the solution is

1 \(x_A=0.4, x_B=0.6\)
2 \(x_A=0.6, x_B=0.4\)
3 \(x_A=0.3, x_B=0.7\)
4 \(x_A=0.7, x_B=0.3\)
CHEMISTRY(KCET)

285366 Which of the following aqueous solutions has highest freezing point?

1 0.1 molal Al\(\left(\mathrm{SO}_4\right)_3\)
2 0.1 molal\(\mathrm{BaCl}_2\)
3 0.1 molal\(\mathrm{AlCl}_3\)
4 0.1 molal\(\mathrm{NH}_4 \mathrm{Cl}\)
CHEMISTRY(KCET)

285355 Henry's law constant for the solubility of\(\mathrm{N}_2\) gas in water at 298 K is \(1.0 \times 10^5 \mathrm{~atm}\). The mole fraction of \(\mathrm{N}_2\) in air is 0.8 . The number of moles of \(\mathrm{N}_2\) from air dissolved in 10 moles of water at 298 K and 5 atm pressure is

1 \(4.0 \times 10^{-4}\)
2 \(4.0 \times 10^{-5}\)
3 \(5.0 \times 10^{-4}\)
4 \(4.0 \times 10^{-6}\)
CHEMISTRY(KCET)

285356 Choose the correct statement.

1 \(K_{\mathrm{H}}\) value is same for a gas in any solution.
2 Higher the\(K_{\mathrm{H}}\) value more the solubility of gas.
3 \(K_{\mathrm{H}}\) value increases on increasing the temperature of the solution.
4 Easily liquefiable gases usually have lesser\(K_{\mathrm{H}}\) values.
CHEMISTRY(KCET)

285357 The\(\bar{K}_{\mathrm{H}}\) value (kbar) of argon (I), carbon dioxide (II), formaldehyde (III) and methane (IV) are respectively \(40.3,1.67,1.83 \times 10^{-5}\) and 0.413 at 298 K . The increasing order of solubility of gas in liquid is

1 I\(<\) II \(<\) IV \(<\) III
2 III\(<\) IV \(<\) II \(<\) I
3 I\(<\) III \(<\) II \(<\) IV
4 I\(<\) IV \(<\) II \(<\) III
CHEMISTRY(KCET)

285358 The vapour pressure of pure liquids\(A\) and \(B\) are 450 and 700 mm of Hg at 350 K respectively. If the total vapour pressure of the mixture is 600 mm of Hg , the composition of the mixture in the solution is

1 \(x_A=0.4, x_B=0.6\)
2 \(x_A=0.6, x_B=0.4\)
3 \(x_A=0.3, x_B=0.7\)
4 \(x_A=0.7, x_B=0.3\)
CHEMISTRY(KCET)

285366 Which of the following aqueous solutions has highest freezing point?

1 0.1 molal Al\(\left(\mathrm{SO}_4\right)_3\)
2 0.1 molal\(\mathrm{BaCl}_2\)
3 0.1 molal\(\mathrm{AlCl}_3\)
4 0.1 molal\(\mathrm{NH}_4 \mathrm{Cl}\)
CHEMISTRY(KCET)

285355 Henry's law constant for the solubility of\(\mathrm{N}_2\) gas in water at 298 K is \(1.0 \times 10^5 \mathrm{~atm}\). The mole fraction of \(\mathrm{N}_2\) in air is 0.8 . The number of moles of \(\mathrm{N}_2\) from air dissolved in 10 moles of water at 298 K and 5 atm pressure is

1 \(4.0 \times 10^{-4}\)
2 \(4.0 \times 10^{-5}\)
3 \(5.0 \times 10^{-4}\)
4 \(4.0 \times 10^{-6}\)
CHEMISTRY(KCET)

285356 Choose the correct statement.

1 \(K_{\mathrm{H}}\) value is same for a gas in any solution.
2 Higher the\(K_{\mathrm{H}}\) value more the solubility of gas.
3 \(K_{\mathrm{H}}\) value increases on increasing the temperature of the solution.
4 Easily liquefiable gases usually have lesser\(K_{\mathrm{H}}\) values.
CHEMISTRY(KCET)

285357 The\(\bar{K}_{\mathrm{H}}\) value (kbar) of argon (I), carbon dioxide (II), formaldehyde (III) and methane (IV) are respectively \(40.3,1.67,1.83 \times 10^{-5}\) and 0.413 at 298 K . The increasing order of solubility of gas in liquid is

1 I\(<\) II \(<\) IV \(<\) III
2 III\(<\) IV \(<\) II \(<\) I
3 I\(<\) III \(<\) II \(<\) IV
4 I\(<\) IV \(<\) II \(<\) III
CHEMISTRY(KCET)

285358 The vapour pressure of pure liquids\(A\) and \(B\) are 450 and 700 mm of Hg at 350 K respectively. If the total vapour pressure of the mixture is 600 mm of Hg , the composition of the mixture in the solution is

1 \(x_A=0.4, x_B=0.6\)
2 \(x_A=0.6, x_B=0.4\)
3 \(x_A=0.3, x_B=0.7\)
4 \(x_A=0.7, x_B=0.3\)
CHEMISTRY(KCET)

285366 Which of the following aqueous solutions has highest freezing point?

1 0.1 molal Al\(\left(\mathrm{SO}_4\right)_3\)
2 0.1 molal\(\mathrm{BaCl}_2\)
3 0.1 molal\(\mathrm{AlCl}_3\)
4 0.1 molal\(\mathrm{NH}_4 \mathrm{Cl}\)