What is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope? (A) 0 (B) 2 (C) 1 (D) 3

What is the number of degree of freedom for a system of two miscible
non-reacting species in vapor-liquid equilibrium forming an azeotrope?
(A) 0
(B) 2
(C) 1
(D) 3
by

1 Answer

Answer :

(C) 1
by

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What is the degree of freedom for two miscible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? (A) 0 (B) 1 (C) 2 (D) 3

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Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is (A) 2 (B) 0 (C) 1 (D) 3

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The reaction A (l) → R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The numbers of degrees of freedom are: (A) 1 (B) 2 (C) 3 (D) 0

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If a two phase system is in physical equilibrium; then it means that, the(A) Escaping tendency of each component from the liquid phase to the vaporphase is exactly equal to that from vapor phase to liquid phase(B) Temperature of the liquid phase is equal to that of the vapor phase(C) Total pressure throughout the liquid phase is equal to that throughout thevapor phase(D) All (A), (B) and (C)

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The preferred reacting system for oxidation of o-xylene to phthalic anhydride is (A) Jacketed liquid phase CSTR (B) Jacketed steam heated multitubular reactor (C) Multitubular reactor with cooling (D) Multistage multitubular reactor with interstage cooling

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Pick out the system with minimum boiling azeotrope at 1 atm. (A) Benzene-toluene (B) Ethyl alcohol-water (C) Hydrochloric acid-water (D) All (A), (B) and (C)

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Hydrogen peroxide acts both as an oxidising and as a reducing agent depending upon the nature of the reacting species. In which of the following cases

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Entrainer used in Azeotropic distillation should (A) Form a low boiling azeotrope with one of the constituents of the mixture (B) Form a new azeotrope of low relative volatility with one of the constituents of the mixture (C) Have high latent heat of vaporisation (D) Have high viscosity to provide high tray efficiency

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Which of the following mixtures does not form an azeotrope at atmospheric pressure? (A) Water-alcohol (B) Methyl alcohol-acetone (C) Butyl acetate-water (D) None of these

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Which of the following binary systems is an example of a maximum boiling azeotrope? (A) Water-hydrochloric acid (B) Acetone-carbon disulphide (C) Water-ethyl alcohol (D) n-heptane-n-octane

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Flash distillation is suitable for the separation of components (A) Having very close boiling points (B) Which form maximum boiling azeotrope (C) Having very wide boiling points (D) Which form minimum boiling azeotrope

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Which of the following would be construed as a reasonable restriction of the right to freedom'? (1) When the state disallows a candidate from securing votes in the name of religion (2) When the state disallows citizens from forming a club out of State funds that denies access to women (3) When the Government of Nagaland disallows temporary residents to buy immovable property in Nagaland. (4) All of the above

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