Solutions English

Unit of Molarity

A 5% solution of cane sugar (Mol. Wt=342)   Is isotonic with 1% solution of substance X.The molecular weight of X is-

Azeotropic mixture of HCl and H₂O has-

A solution has an osmotic pressure of 0.0821 atm at 300 K. Its concentration would be

Azeotropes are

The normality of 0.3 M phosphorous, acid (H₃PO₃) is –

The Van’t Hoff factor for 0.1 M Ba (NO₃)₂solution is 2.74. The degree of Dissociation is –

Increasing the temperature of an aqueous solution will causes-

If a is the degree of dissociation of  Na₂SO₄, the vant Hoff’s factor (i) used for calculating the molecular mass is-

which one of the following aqueous solutions will exhibit highest boiling point

Which of the following concentration factor is affected bu change intemperature

The osmotic pressure of equimolar solution of urea, BaCI₂ and AICI₃ will be in the order-

The molar elevation constant is the ratio of the elevation in BP to –

The solution having some osmotic pressure at constant (given) temperature are called-

The osmotic pressure of 0.2 molar solution of urea at 300 K

(R = 0.082 litreatm mol^-1K^-1) is-

The osmotic pressure of a solution is given by the relation-

In case of electrolyte which dissociates in solution the Vant Hoff’s factor-

The Vant Hoff factor (i) for a dilute aqueous solution of glucose is-

In which of the following, the Vant Hoff factor (i) is equal to one-

Which aqucous solution has minium freezing point –

Which solution will show maximum elevation in b.pt-

The passing of solvent particles through semipermeable membrane is called-

An example of colligative property is –

The molal elevation/depression constant depends upon-

In cold countries, ethylene glycol is added to water in the radiators of cars during winters. It results in –

Which of the following is not a colligative property –

Solution distilled without change in composition at a temperature are called-

The relative lowering in vapourpressure  is-

The amount of  present in 400 ml of 0.1 M solution of the acid is-

The units of mole fraction of a compound in solution are-

Solute when dissolve in water-

The number of moles present in 2 litre of                                     0.5 M NaOH is-

Molarity of a solution relates the-

Calculate the vapour pressure of a solution at ­C containing 3g of cane sugar in33g of  water. (At wt. C = 12 , H = 1 , O = 16)

Calculate the molarity of pure water (d=1g/l)