Advertisements
Advertisements
प्रश्न
Colligative properties are observed when:
(i) a non volatile solid is dissolved in a volatile liquid.
(ii) a non volatile liquid is dissolved in another volatile liquid.
(iii) a gas is dissolved in non volatile liquid.
(iv) a volatile liquid is dissolved in another volatile liquid.
उत्तर
(i) a non volatile solid is dissolved in a volatile liquid.
(ii) a non volatile liquid is dissolved in another volatile liquid.
Explanation:
Colligative properties are observed when a non-volatile solid or liquid are dissolved in a volatile liquid.
APPEARS IN
संबंधित प्रश्न
The vapour pressure of pure benzene is 640mm og Hg. 2.175×10-3kg of non-vloatile solute is added to 39 gram of benzene the vapour pressure of solution is 600mm of HG. Calculate molar mass of solute.
[C = 12, H = 1]
Colligative property depends only on ........................ in a solution.
A solution of glucose in water is labelled as 10% (W/W).
Calculate:
a. Molality
b. Molarity of the solution.
[Given: Density of solution is 1.20 g mL-1 and molar mass of glucose is 180 g mol-1 ]
Calculate the mole fraction and molality of HNO3 in solution contaning 12.2%HNO3 (Given atomic mases:H=1, N=13,O=16)
A solution of glucose (molar mass = 180 g mol–1) in water is labelled as 10% (by mass). What would be the molality and molarity of the solution ? (Density of solution = 1.2 g mL–1)
An organic substance (M = 169 gram mol–1) is dissolved in 2000 cm3 of water. Its osmotic pressure at 12°C was found to be 0.54 atm. If R = 0.0821 L atm K–1 mol–1, calculate the mass of the solute.
Define the following terms :
a. Cryoscopic constant
b. Resistivity
4.0 grams of NaOH ( Molar mass = 40.0 g mol-1 ) is dissolved in 500 cm3 of water. What is the molarity of NaOH solution?
The colligative property is not represented by ____________.
The depression in freezing point of water observed for the same amount of acetic acid, trichloroacetic acid and trifluoroacetic acid increases in the order given above. Explain briefly.
