Woorksheet on Osmotic pressure

The pressure which is applied to a solution to prevent the inward flow of water across a semipermeable membrane is known as Osmotic pressure. Pressure which is required to stop osmosis is called Osmotic pressure.

In this article you can find some questions related to Osmotic pressure and their answers:


1. Which of the following chemical entities can act as semipermeable membrane?

(a)    Cu_2[Fe(CN)_6]

(b)   CaC_2O_4

(c)    Cu(SCN)_2

(d)   None of these


2. 0.5 M aqueous solution of glucose is isotonic with:

(a)    0.5 M CaCl2 solution

(b)   0.5 M urea solution

(c)    0.5 M KCI solution

(d)   1 M solution of sucrose


3. For 0.5 M aqueous solution of certain electrolyte, the osmotic pressure:

(a)    increases with increase in temperature

(b)   decreases with increase in temperature

(c)    is independent of temperature

(d)   first increases and then decreases with increase in temperature


4. A plant cell shrinks when it is kept in:

(a)    hypertonic solution

(b)   hypotonic solution

(c)    water

(d)   isotonic solution with cell sap


5. A glucose solution to be injected into blood steam must have same as that of blood stream:

(a)    molarity

(b)   vapour pressure

(c)    viscosity

(d)   osmotic pressure


6. The temperature at which 10% aqueous solution of glucose will show osmotic pressure of 14 atm is:

(a)    34 K

(b)   307^0C

(c)    307.3 K

(d)   34^0C


7. 3% solution of glucose is isotonic with 1% solution of a non-volatile non-electrolyte substance. The molecular mass of the substance would be:

(a)    180

(b)   60

(c)    420

(d)   360


1.(a)     2. (b)     3. (a)     4. (a)     5. (d)      6. (c)     7. (b)

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