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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

In non-ideal solution, what type of deviation shows the formation of maximum boiling azeotropes? - Chemistry

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प्रश्न

In non-ideal solution, what type of deviation shows the formation of maximum boiling azeotropes?

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उत्तर

It shows negative deviation from Raoult’s law.

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2015-2016 (March) All India Set 2 C

संबंधित प्रश्न

State Raoult’s law for the solution containing volatile components


The vapour pressures of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if the total vapour pressure is 600 mm Hg. Also, find the composition of the vapour phase.


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An aqueous solution of 2% non-volatile solute exerts a pressure of 1.004 bar at the normal boiling point of the solvent. What is the molar mass of the solute?


Benzene and toluene form ideal solution over the entire range of composition. The vapour pressure of pure benzene and toluene at 300 K are 50.71 mm Hg and 32.06 mm Hg respectively. Calculate the mole fraction of benzene in vapour phase if 80 g of benzene is mixed with 100 g of toluene.


What type of azeotrope is formed by positive deviation from Raoult’s law?


What is meant by negative deviation from Raoult's law? Give an example. What is the sign of ∆mixH for negative deviation?


For the reaction :

\[\ce{2NO_{(g)} ⇌ N2_{(g)} + O2_{(g)}}\];

ΔH = -heat

K= 2.5 × 10at 298K

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(1) Temperature is decreased to 273 K.

(2) The pressure is reduced


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

Define Raoult’s law for the elevation of the boiling point of a solution.


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Minimum boiling azeotrope is formed by the solution which showed


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Considering the formation, breaking and strength of hydrogen bond, predict which of the following mixtures will show a positive deviation from Raoult’s law?


On the basis of information given below mark the correct option.

(A) In bromoethane and chloroethane mixture intermolecular interactions of A–A and B–B type are nearly same as A–B type interactions.

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(C) In chloroform and acetone mixture A–A or B–B type intermolecular interactions are weaker than A–B type interactions.


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Using Raoult’s law explain how the total vapour pressure over the solution is related to mole fraction of components in the following solutions.

\[\ce{NaCl(s) and H2O(l)}\]


An azeotropic mixture of two liquids will have a boiling point lower than either of the two liquids when it ______.


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