Which of the following colligative properties is associated with the concentration term 'molarity'?
1. Lowering of vap.pressure
2. Osmotic pressure
3. Depression in freezing point
4. Elevation in boiling point
Which pair of solutions is likely to exhibit isotonicity at a constant temperature?
1. | 0.1 (M) Urea and 0.1 (M) NaCl |
2. | 0.1 (M) Urea and 0.2 (M) MgCl2 |
3. | 0.1 (M) NaCl and 0.1 (M) Na2SO4 |
4. | 0.1 (M) Ca(NO3)2 and 0.1 (M) Na2SO4 |
Which of the following aqueous solution has osmotic pressure nearest to that an equimolar solution of K4[Fe(CN)6]?
1. Na2SO4
2. BaCl2
3. Al2(SO4)3
4. C12H22O11
Osmotic pressure of equimolar solution of BaCl2, NaCl and glucose will be in the order -
1. BaCl2 > NaCl > glucose
2. glucose > NaCI > BaCl2
3. NaCl > BaCl2 >glucose
4. NaCl> glucose > BaCl2
The relationship between osmotic pressure at 273 K, when 10 gm glucose (P1), 10 gm urea (P2), and 10 gm sucrose (P3) are dissolved in 250 ml of water, is-
1. P1 > P2 > P3
2. P3 > P1 > P2
3. P2 > P1 > P3
4. P2 > P3 > P1