Solutions Test ...

Colligative properties depend on .........

In comparison to a 0.01 M solution of glucose, the depression in freezing point of a \(0.01\,M\,MgCl_2\) solution is

An unripe mango placed in a concentrated salt solution to prepare pickle, shrivels because ..............

At a given temperature, osmotic pressure of a concentrated solution of a substance

Which of the following statements is false?

Value of Henry’s constant \(K_H\) ...........

The value of Henry’s constant \(K_H\) is

We have three aqueous solutions of NaCl labelled as ‘A’, ‘B’ and ‘C’ with concentrations 0.1M, 0.01M and 0.001M, respectively. The value of van’t Hoff factor for these solutions will be in the order .............

Isotonic solutions must have the same .........

(i) solute

(ii) density

(iii) elevation in boiling point

(iv) depression in freezing point

Which of the following binary mixtures will have same composition in liquid and vapour phase?

(i)  Benzene - Toluene

(ii)  Water-Nitric acid

(iii)  Water-Ethanol

(iv)  n-Hexane - n-Heptane

The van't Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is :

In case of an electrolyte which dissociates in the solution, the van't hoff factor $$i$$ is :

Correct combination among the following is 
i) Water can be converted into vapour at $${ 100 }^{ 0 }C$$ only
ii) Vapour pressure can be increased more than the atmospheric pressure at a certain temperature.
iii) Lowering of vapour pressure is directly proportional to mole fraction of solute.

Which of the following solutions will have the maximum lowering of vapour pressure ?

A solution is obtained by dissolving 12g of urea (Mol.wt.=60) in a litre of solution. Another solution is prepared by dissolving 68.4g of cane sugar(Mol.wt.=342) in a litre of solution at the same temperature. The lowering of vapour pressure in the first solution is:

For a non-electrolytic solution, vant Hoff factor is equal to :

For a substance $$A$$ when dissolved in a solvent $$B$$ shows the molecular mass corresponding to $${ A }_{ 3 }$$. The van't Hoff factor will be:

In case a solute associates in solution, the van’t Hoff factor is :

For a very dilute aqueous solution of $${ K }_{ 4 }\left[ Fe\left( CN \right) _{ 6 } \right] $$ , van't Hoff factor is :

The van't Hoff factor for a very dilute aqueous solution of $$K\left[Ag\left( CN \right) _{ 2 } \right] $$ is: