28 Questions
What is the molar mass of the non-volatile solute based on the osmotic pressure data provided?
55.85 g/mol
In osmosis, how can the process be reversed?
By applying a pressure equal to the osmotic pressure
What is the value of the van't Hoff factor (i) for ethanoic acid in benzene?
0.5
In the context of Scuba diving tanks, what gas is air typically diluted with?
Helium
Which factor does NOT significantly affect the solubility of solids in liquids?
Surface area of the solid
What intermolecular interactions are present between I2 and CCl4?
Dispersion forces
What effect makes aryl halides extremely less reactive towards nucleophilic substitution reactions?
Resonance effect
What is the term used for stereoisomers that have no mirror image relationship?
Diastereomers
What type of mixture is formed when a mixture contains two enantiomers in equal proportions?
Racemic mixture
Which type of compound results from the reaction of Haloarenes with metal?
Organometallic compounds
What is the term for the stereoisomers that are mirror images of each other and non-superimposable?
Enantiomers
What type of reaction leads to racemisation of optically active compounds?
Wurtz-Fittig reaction
Which ligand is SCN– classified as due to its z2 spherical crystal field?
Ambidentate
In the complex ion [Fe(C2O4)3]3–, what is the coordination number of the Fe ion?
6
What term is used for complexes where a metal is bound to only one kind of donor groups?
Homoleptic complexes
What is the color of the complex [Ti(H2O)6]3+?
Colorless
How many geometrical isomers does a square planar complex MABXL exhibit?
2
What type of effect does the metal to ligand bonding create in metal carbonyls?
$π$-backbonding effect
What is the standard cell potential for the reaction Fe3+ + e– → Fe2+?
0.80 V
If the external potential (Eext) is 1.1 V, what happens in terms of electron flow?
No flow of electrons.
Which of the following is true about dilution effect on conductance?
Weak electrolytes show a decrease in molar conductivity on dilution.
In which direction do electrons flow when Eext is greater than 1.1 V?
From Cu rod to Zn rod.
Which type of amine has the highest boiling point?
Primary
Which reaction is used as a test for primary amines?
Carbylamine reaction
What is the product of the Gabriel phthalimide synthesis?
R–C–NH2
In which order do alkyl halides undergo ammonolysis?
(C2H5)2NH > (C2H5)3N > C2H5NH2 > NH3
Which amine shows the highest basicity in gaseous phase?
(C2H5)2NH
What is the product of the reduction of nitro compounds in presence of Sn/HCl?
(CH3)CH(OH)CH3
Test your knowledge on osmotic pressure, hypotonic solutions, ideal solutions, and colligative properties such as molal depression constant and molal elevation constant. Solve questions related to reverse osmosis and molar mass calculations of non-volatile solutes in aqueous solutions.
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