Advertisements
Advertisements
प्रश्न
Which of the following aqueous solutions should have the highest boiling point?
विकल्प
1.0 M NaOH
1.0 M Na2SO4
1.0 M NH4NO3
1.0 M KNO3
Advertisements
उत्तर
1.0 M Na2SO4
Explanation:
In 1.0 M Na2SO4 solution vant Hoff factor, i > 1 and is maximum when compared with the other three given electrolytes. So, the extent of dissociation in case of 1.0 M Na2SO4 would be highest yielding maximum no. of ions as compared to the other given electrolytes in their 1.0 M solutions.
APPEARS IN
संबंधित प्रश्न
Out of 1 M glucose and 2 M glucose, which one has a higher boiling point and why?
Boiling point of water at 750 mm Hg is 99.63°C. How much sucrose is to be added to 500 g of water such that it boils at 100°C? Molal elevation constant for water is 0.52 K kg mol−1.
Derive the relation between the elevation of boiling point and molar mass of solute.
Account for the following :
H2S has lower boiling point than H2O.
Account for the following :
H2S has lower boiling point than H2O.
Arrange the following in increasing order of boiling points:
(CH3)3 N, C2 H5 OH, C2 H5 NH2
0.450 g of urea (mol. wt. 60) in 22.5 g of water show 0.170°C of elevation in boiling point. The molal elevation constant of water is:
People add sodium chloride to water while boiling eggs. This is to ____________.
The molal elevation constant depends upon ____________.
Which of the following has the lowest boiling point?
The unit of ebulioscopic constant is ______.
Why is it not possible to obtain pure ethanol by fractional distillation? What general name is given to binary mixtures which show deviation from Raoult’s law and whose components cannot be separated by fractional distillation. How many types of such mixtures are there?
The boiling point to a solution containing 50 gm of a non-volatile solute in 1 kg of solvent is 0.5° higher than that of pure solvent. Determine the molecular mass of the solute (give molecular mass of solvent) = 78 g mol–1 and kb for solvent = 2.53 km–1)
Molal elevation of boiling point constant is the elevation of boiling point produced by ______
Assertion (A): Elevation in boiling point is a colligative property.
Reason (R): The lowering of vapour pressure of solution causes elevation in boiling point.
If the molality of a dilute solution is doubled, the value of the molal elevation constant (Kb) will be ______.
Which of the following aqueous solutions will exhibit the highest boiling point?
