Chemistry
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Jun 7, 2022
a. Isotonic b. Isomotic c. Hypertonic d. Equinormal Ans. a Explanation : Isotonic mixtures have equal osmotic pressure so there...
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Jun 7, 2022
15° C , then molecular weight of the solute is a. 1000 b. 1200 c. 1400 d. 1800 Ans. b...
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Jun 7, 2022
37 ° C . What is the concentration of an aqueous NaCl a. 0.16 mol/L b. 0.32 mol / L...
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Jun 7, 2022
a. Relative lowering of vapour pressure b. Elevation of boiling point c. Depression in freezing point d. Osmotic pressure e....
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Jun 7, 2022
a. A is less concentrated than B b. A is more same concentration c. Both have same concentratio d. None...
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Jun 7, 2022
a. Solute molecules only b. Solvent molecules only c. Solute and solvent molecules both d. Neither solute nor solvent molecules...
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Jun 7, 2022
(P1 ) , 10 g urea (P2 ) and 10g sucrose (P3) are dissolved in 250 mL of water is a. P1...
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Jun 7, 2022
a. > 80 mL b. < 80 mL c. = 80 mL d. ≥ 80 mL Ans. b (26)
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Jun 7, 2022
a. There will be no net movement across the membrane b. Glucose will flow across the membrane into urea solution...
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Jun 7, 2022
a. Carbondisulphide – acetone b. Benzene – toluene c. Acetone – chloroform d. n- hexane – n- heptane e. Ethanol...
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Jun 7, 2022
100° C) and HCl (b.p. 85° C) boils at 108.5 ° C. When this mixture is distilled it is possible...
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Jun 7, 2022
a. Zero and zero b. +ve and zero c. -ve and zero d. -ve and -ve Ans. a (6)
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Jun 7, 2022
a. Benzene + toluene b. n – hexane + n – heptane c. Ethyl bromide +ethyl iodide d. CCl4 +...
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Jun 7, 2022
a. CH3 COCH3 + CS2 b. C 6 H 6 + CH3 COCH3 c. CCl4+ CHCl3 d. CH3 COCH + CHCl3 Ans....
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Jun 7, 2022
Mp . Whih of the following can be used to calculate molecular mass of the solute in terms of osmotic pressure...
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Jun 7, 2022
a. Heptane + Octane b. Water + Nitric acid c. Ethanol + water d. Acetone + Carbon disulphide Ans. b...
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Jun 7, 2022
a. 84% HCl b. 22.2% HCl c. 63% HCl d. 20.2 % HCl Ans.d Explanation : It is known that...
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Jun 7, 2022
a. A – B interactions are stronger than those between A – A or B- B b. Vapour pressure of...
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Jun 7, 2022
327° C and concentraiton C osmotic pressure of a solution is P, the same solutions at concentration C/2 and a...
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Jun 7, 2022
a. Δmix G = 0 at constant T and P b. Δmix S = 0 at constant T and P...
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Jun 7, 2022
a. Stable structure complex b. Binary liquid mixture c. Zeotropic liquid mixture d.Azeotropic liquid mixture Ans. d Explanation : Azeotropic ...
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Jun 7, 2022
a. 0.033 b. 0.066 c. 0.33 x 10-2 d. 3 Ans. c (6)
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Jun 7, 2022
Information : On adding acetone to methanol some of the hydrogen bonds between methanol molecules break a. At specific composition...
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Jun 7, 2022
a. Ideal solution b. Positive deviation with non ideal solution c. Negative devitation with non ideal solution d. Normal solution...
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Jun 7, 2022
Information : i. In bromoethane and chloro ethane mixture inter-molecular interaction of A – A and B- B type are...
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Jun 7, 2022
a. Water-nitric acid b. Benzene- method c. Water-hydrochloric acid d. Acetone chloroform Ans. b (10)
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Jun 7, 2022
a. ΔS mix b. ΔV mix c ΔP = PObserved – P Raoult d. ΔH mix Answer : a...
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Jun 7, 2022
a. ΔS mix = 0 b. ΔH mix = 0 c. It obeys Raoult’s law d. ΔV mix = 0 ANSWER...
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Jun 7, 2022
a. The enthalpy of mixing is zero b. The entropy of mixing is zero c. The free energy of mixing...
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Jun 7, 2022
a. It follows Raoult’s law b. ΔHmix = 0 c. Δ Vmix = 0 d. All of these ANSWER :...
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Jun 7, 2022
a. C2 H5 Br and C2 H5 I b. C6 H5 Cl and C6 H5Br c. C6 H6 and C6...
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Jun 7, 2022
a. Acetone-Chloroform b. Acetone Benzene c. Chloroform Ether d. Chloroform Benzene ANSWER : B (47)
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Jun 7, 2022
a. Benzene- Chloroform b. Benzene Acetone c. Benzene Ethanol d.Benzene Carbon tetrachloride ANSWER : A Explanation : Benzene chloroform solution...
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Jun 7, 2022
a. CHCl3 + (CH3 )2 CO b. (CH3 )2 CO + C6 H5 NH2 c. CHCl3 + C6 H6 d.(CH3 )2 ...
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Jun 7, 2022
a. Methanol and acetone b. Chloroform and acetone c.Nitric acid and water d. Phenol and aniline ANSWER . A Explanation...
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Jun 7, 2022
≤ x1 ≤ 1. The second component must follow Raoult’s law in the range when x2 is a. Close to...
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Jun 7, 2022
a. The solution formed is an ideal solution b. The solution is non-ideal showing +ve deviation from Raoult’s Law c....
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Jun 7, 2022
a. Behaves like a near ideal solutions b. Obeys Raoult’s law c. Shows a negative deviation from Raoult’s law d....
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Jun 7, 2022
a. Ethanol- Acetone b. Chlorobenzene- Bromobenzene c. Chloroform- Acetone d. Benzene Toluene ANSWER . C Explanation : Due to hydrogen...
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Jun 7, 2022
a. 0.027 mmHg b. 0.028 mmHg c. 0.017mmHg d. 0.031 mmHg Ans. c (60)