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

pH of a 0.1 (M) monobasic acid is 2. Osmotic pressure at a given temperature T is-

1. 0.1RT

2. 0.11RT

3. 1.1RT

4. 0.01RT

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

If 'A' contains 2 % NaCl and is separated by a semi permeable membrane from 'B', which contains 10 % NaCl, then the event that will occur is

1. NaCl will flow from 'A' to 'B'

2. NaCl will flow from 'B' to 'A'

3. Water will flow from 'A' to 'B'

4. Water will flow from 'B' to 'A'

A 5.85% solution of NaCl has osmotic pressure close to-

1. 5.85% solution of urea

2. 2M solution of glucose

3. 1M solution of urea

4. 5.8% solution of glucose

Osmotic pressure of 40% (w/V) urea solution is 1.64 atm. and that of 3.42% (w/V) cane sugar solution is 2.46 atm. When equal volumes of the above two solutions are mixed, the osmotic pressure of the resulting solution will be?  

(1) 1.64 atm

(2) 2.46 atm

(3) 4.10 atm

(4) 2.05 atm 

A 0.002 molar solution of NaCl having degree of dissociation of 90% at 27⁰C, has osmotic pressure equal to:-

1. 0.94 bar

2. 9.4 bar

3. 0.094 bar

4. 9.4 x 10^-4 bar