Raoult's law is applicable to the
(A) Ideal solutions
(B) Real solutions
(C) Mixture of water and alcohol

1 Answer

Answer :

(A) Ideal solutions

Related questions

Description : Raoult's law applies to the (A) All liquid solutions (B) Non-ideal solution only (C) Non-volatile solute (D) Solvents

Last Answer : (D) Solvents

Description : What are non-ideal solutions? Explain as to why non-ideal solutions deviate from Raoult’s Law.

Last Answer : Ans:- Non ideal solution are those which do not obey Raoult’s law. When the molecular interaction between solute molecules solvent. Solvent molecules is not same as the molecular interaction between solute & solvent molecules then deviotion occurs.

Description : Pick out the wrong statement. (A) The mole fraction of solute is directly proportional to the molality of a 'dilute' solution (B) For a non-reacting binary mixture of ideal gases, the partial ... at all temperature (D) The relative volatility of a binary mixture at the Azeotropic composition is 1

Last Answer : (C) Azeotropes obey Raoult's law at all temperature

Description : Relative volatility varies with the concentration of component for an ideal solution. The relative volatility of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of ... law (D) Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law

Last Answer : (D) Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law

Description : Pick out the wrong statement. (A) An ideal liquid or solid solution is defined as one in which each component obeys Raoult's law (B) If Raoult's law is applied to one component of a binary mixture; ... also (C) Henry's law is rigorously correct in the limit of infinite dilution (D) None of these

Last Answer : (D) None of these

Description : Which of the following solutions will follow Raoult's law most closely? (A) A solution of benzene, toluene and o-xylene (B) 35% solution of camphor in water (C) 35% solution of NH3 in water (D) A solution of polar organic compounds (not of homologue of a series)

Last Answer : (A) A solution of benzene, toluene and o-xylene

Description : Positive deviation from Raoult's law means a mixture whose total pressure is (A) Greater than that computed for ideality (B) Less than that computed for ideality

Last Answer : (A) Greater than that computed for ideality

Description : One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect (A) ... The fraction vaporised but not the product composition (D) Neither the product composition nor the fraction vaporised

Last Answer : (C) The fraction vaporised but not the product composition

Description : What is the name given to the equation PV=nRT? w) law of partial pressure x) ideal gas equation y) quadratic equation z) Raoult's equation

Last Answer : ANSWER: X -- IDEAL GAS EQUATION

Description : When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of (A) Vapour pressure of component A to that of ... to the partial pressure of A (D) Partial pressure of component A to the total pressure

Last Answer : (A) Vapour pressure of component A to that of component B

Description : Pick out the wrong statement. Raoult's law does not apply, when the (A) Size of component molecules are not equal (B) Attractive forces between like and unlike molecules ... D) Chemical combination or molecular association between unlike molecules takes place in the formation of solution

Last Answer : (C) Component molecules are non-polar

Description : The thermodynamic law, PVy = constant, is not applicable in case of (A) Ideal compression of air (B) Free expansion of an ideal gas (C) Adiabatic expansion of steam in a turbine (D) Adiabatic compression of a perfect gas

Last Answer : (B) Free expansion of an ideal gas

Description : Ideal gas law is applicable at (A) Low T, low P (B) High T, high P (C) Low T, high P (D) High T, low P

Last Answer : (D) High T, low P

Description : State Raoult’s Law for a binary solution containing volatile components.

Last Answer : Ans:- At a particular temperature the partial vapour pressure of each component of a solution containing volatile liquid is directly propositional to its mole fraction.

Description : Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called __________ solutions. (A) Ideal (B) Real (C) Isotonic (D) None of these

Last Answer : (A) Ideal

Description : The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of (A) Newtonian liquids (B) Non-Newtonian liquids (C) Ideal gases (D) Real gases

Last Answer : (C) Ideal gases

Description : Pick out the wrong statement. (A) The Reynolds analogy for mass transfer is given by Lewis relation and is applicable, when Schmidt number is one (B) Sherwood number for flow in pipes can be expressed ... flux of a component A in binary mixture of A and B is given by - Dab'.dCA/dz

Last Answer : (C) According to film theory for equimolar counter diffusion, the mass transfer coefficient is given by DAB(B)P - 3, Q - 2

Description : Van der Waals equation explains the behaviour of (a) Mixture of gases (b) Ideal gas (c) Real gas (d) Water gas

Last Answer : Ans:(c)

Description : According to Avogadro's law  A. the product of the gas constant and the molecular mass of an ideal gas is constant  B. the sum of partial pressure of the mixture of two gases is sum of the ... all gases, at the same temperature and pressure, contain equal number of molecules  D. all of the above

Last Answer : Answer: C

Description : Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to ... . (A) I, II, III (B) II, III, V (C) I, II, V (D) II, IV, V

Last Answer : (B) II, III, V

Description : Van Laar equation deals with the activity co-efficients in (A) Binary solutions (B) Ternary solutions (C) Azeotropic mixture only (D) None of these

Last Answer : (A) Binary solutions

Description : Pick out the wrong statement. (A) A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocit (B) Newton's law of viscosity is not applicable to the ... types of bearings (D) Rise of water in capillary tubes reduces with the increasing diameter of capillary tubes

Last Answer : (B) Newton's law of viscosity is not applicable to the turbulent flow of fluid with linear velocity distribution

Description : Which of the following crushing laws is most accurately applicable to the fine grinding of materials? (A) Bond's crushing law (B) Kick's law (C) Rittinger's law (D) None of these

Last Answer : (C) Rittinger's law

Description : Kirchoff's law is applicable to (A) Monochromatic radiation only (B) Total radiation only (C) Both (A) and (B) (D) Only volumes and not to surfaces

Last Answer : (C) Both (A) and (B)

Description : Pascal law is not applicable for a/an __________ fluid. (A) Accelerating frictionless (B) Static (C) Uniformly moving (D) None of these

Last Answer : (D) None of these

Description : What size of business are small business payroll solutions ideal for?

Last Answer : Yes, they will surely help you organize your payroll and make it way more faster. It can even net you savings so I highly recommend it for a small business.

Description : A fluid which obeys the Newton's law of viscosity is termed as (A) Real fluid (B) Ideal fluid (C) Newtonian fluid (D) Non-Newtonian fluid

Last Answer : Answer: Option C

Description : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. Which will give a positive test for iodine when the sol

Last Answer : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. ... . NaBr solution C. Chlorine water D. Bromine water

Description : The-relative volatility for separation of a non-ideal binary mixture by distillation should be (A) 0 (B) 1 (C) > 1 (D) < 1

Last Answer : (C) > 1

Description : Pick out the correct statement. (A) Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas (B) The 'Hatta number' is ... reflux in case of distillation operation requires infinite number of plates for a binary system separation

Last Answer : (C) For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion

Description : When the gas to be dissolved in liquid is a/an __________ then normally co-current adsorber are used. (A) Mixture of two gases (B) Pure gas (C) Ideal gas (D) Sparingly soluble gas

Last Answer : (B) Pure gas

Description : Pick out the wrong statement. (A) The vessel dispersion number (D/UL) for plug flow and mixed flow approaches zero and infinity respectively (B) Space time in a flow reactor is a ... ideal tubular flow reactor, mixing takes place in radial direction and there is no mixing in longitudinal direction

Last Answer : (C) Mixed reactor is always smaller than the plug flow reactor for all positive reaction orders for a particular duty

Description : For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant (A) Is independent of pressure (B) Increases with pressure (C) Decreases with pressure (D) Increases /decreases with pressure depending on the stoichiometric co￾efficients of the reaction

Last Answer : (B) Increases with pressure

Description : Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and ... increases. (A) Decreases (B) Decreases exponentially (C) Increases (D) Remain constant

Last Answer : (C) Increases

Description : In an ideal gas mixture, fugacity of a species is equal to its (A) Vapor pressure (B) Partial pressure (C) Chemical potential (D) None of these

Last Answer : (B) Partial pressure

Description : Pick out the wrong statement. (A) Activity co-efficient is dimensionless. (B) In case of an ideal gas, the fugacity is equal to its pressure. (C) In a mixture of ideal gases, the fugacity of ... equal to the partial pressure of the component. (D) The fugacity co-efficient is zero for an ideal gas

Last Answer : (D) The fugacity co-efficient is zero for an ideal gas

Description : Fugacity is a measure of the (A) Escaping tendencies of the same substance in different phases of a system (B) Relative volatility of a mixture of two miscible liquids (C) Behaviour of ideal gases (D) None of these

Last Answer : (A) Escaping tendencies of the same substance in different phases of a system

Description : The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of (A) T (B) T and P (C) T, P and Z (D) T and Z

Last Answer : (B) T and P

Description : Fusel oil is a/an (A) Essential oil (B) Extract from medicinal herbs (C) Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses). (D) None of these

Last Answer : (C) Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses).

Description : 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and (A) Petrol (B) LPG (C) Light hydrocarbon gases (e.g. butane or propane) (D) None of these

Last Answer : (A) Petrol

Description : The condition not applicable to water cement ratio law, is (A) Internal moisture conditions on hydration continue till complete strength is gained (B) Concrete specimens may be tested at any temperature (C) Concrete specimens need be of same age (D) Concrete specimens need be of same size

Last Answer : Answer: Option B

Description : Which Newton’s law is applicable in the case of swimming ? -Science

Last Answer : Newton's third law of Motion

Description : Where is Dalton’s law applicable?

Last Answer : Where is Dalton’s law applicable?

Description : Which of the following is true regarding Newland’s Law of Octaves? (1) It worked well with only lighter elements. (2) It was applicable only up to calcium. (3) Both are correct (4) Both are incorrect. (4)

Last Answer : (3) Both are correct Explanation: Both the statements are correct. Hence, option C is correct.

Description : Which technique is applicable when other projects in the same analogy application domain have been completed? a) Algorithmic cost modelling b) Expert judgement c) Estimation by analogy d) Parkinson’s Law

Last Answer : c) Estimation by analogy

Description : What is local law? a) Is a law applicable to particular law b) It is a law applicable to particular part of India c) Natural law d) None of these

Last Answer : b) It is a law applicable to particular part of India

Description : Any information received by the officer of the department officially should not be made public but this restrictions are however not applicable to a) Competent court of law b) District magistrate c) Commissioner of Police or District SP d) All the above

Last Answer : d) All the above

Description : The Snell law is applicable for perpendicular polarisation and the Brewster law is applicable for parallel polarisation. State True/False. a) True b) False

Last Answer : a) True

Description : Curie-Weiss law is applicable to which of the following materials? a) Piezoelectric b) Ferroelectric c) Pyroelectric d) Anti-ferroelectric

Last Answer : b) Ferroelectric

Description : Muller Breslau's principle for obtaining influence lines is applicable to (i) Trusses (ii) Statically determinate beams and frames (iii) Statically indeterminate structures, the material of which is elastic and follows Hooke's law (iv ... B) (i), (ii) and (iv) (C) (i) and (ii) (D) Only (i)

Last Answer : (A) (i), (ii) and (iii)