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प्रश्न
What type of azeotrope is formed by positive deviation from Raoult's law ? Give an example.
उत्तर
A minimum-boiling azeotrope is formed by solutions showing a large positive deviation from Raoult’s law at a specific composition.
Example: An ethanol–water mixture containing approximately 95% ethanol by volume.
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संबंधित प्रश्न
State Raoult’s law for the solution containing volatile components
What is meant by positive deviations from Raoult's law? Give an example. What is the sign of ∆mixH for positive deviation?
Define azeotropes.
Why does a solution containing non-volatile solute have higher boiling point than the pure solvent ?
Match the following:
| (i) | Colligative property | (a) | Polysaccharide |
| (ii) | Nicol prism | (b) | Osmotic pressure |
| (iii) | Activation energy | (c) | Aldol condensation |
| (iv) | Starch | (d) | Polarimeter |
| (v) | Acetaldehyde | (e) | Arrhenius equation |
Raoult’s law states that for a solution of volatile liquids the partial pressure of each component in the solution is ____________.
Minimum boiling azeotrope is formed by the solution which showed
The boiling point of an azeotropic mixture of water and ethanol is less than that of water and ethanol. The mixture shows ____________.
Considering the formation, breaking and strength of hydrogen bond, predict which of the following mixtures will show a positive deviation from Raoult’s law?
An azeotropic mixture of two liquids will have a boiling point lower than either of the two liquids when it ______.
