Osmotic Pressure and Colligative Properties Quiz
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Questions and Answers

What is the molar mass of the non-volatile solute based on the osmotic pressure data provided?

  • 44.08 g/mol
  • 55.85 g/mol (correct)
  • 62.36 g/mol
  • 58.5 g/mol

In osmosis, how can the process be reversed?

  • By increasing the concentration of solute
  • By applying a pressure lower than the osmotic pressure
  • By heating the solution
  • By applying a pressure equal to the osmotic pressure (correct)

What is the value of the van't Hoff factor (i) for ethanoic acid in benzene?

  • 0.5 (correct)
  • 1.0
  • 2.0
  • 1.5

In the context of Scuba diving tanks, what gas is air typically diluted with?

<p>Helium (C)</p> Signup and view all the answers

Which factor does NOT significantly affect the solubility of solids in liquids?

<p>Surface area of the solid (A)</p> Signup and view all the answers

What intermolecular interactions are present between I2 and CCl4?

<p>Dispersion forces (D)</p> Signup and view all the answers

What effect makes aryl halides extremely less reactive towards nucleophilic substitution reactions?

<p>Resonance effect (D)</p> Signup and view all the answers

What is the term used for stereoisomers that have no mirror image relationship?

<p>Diastereomers (A)</p> Signup and view all the answers

What type of mixture is formed when a mixture contains two enantiomers in equal proportions?

<p>Racemic mixture (B)</p> Signup and view all the answers

Which type of compound results from the reaction of Haloarenes with metal?

<p>Organometallic compounds (C)</p> Signup and view all the answers

What is the term for the stereoisomers that are mirror images of each other and non-superimposable?

<p>Enantiomers (C)</p> Signup and view all the answers

What type of reaction leads to racemisation of optically active compounds?

<p>Wurtz-Fittig reaction (B)</p> Signup and view all the answers

Which ligand is SCN– classified as due to its z2 spherical crystal field?

<p>Ambidentate (D)</p> Signup and view all the answers

In the complex ion [Fe(C2O4)3]3–, what is the coordination number of the Fe ion?

<p>6 (D)</p> Signup and view all the answers

What term is used for complexes where a metal is bound to only one kind of donor groups?

<p>Homoleptic complexes (A)</p> Signup and view all the answers

What is the color of the complex [Ti(H2O)6]3+?

<p>Colorless (B)</p> Signup and view all the answers

How many geometrical isomers does a square planar complex MABXL exhibit?

<p>2 (B)</p> Signup and view all the answers

What type of effect does the metal to ligand bonding create in metal carbonyls?

<p>$Ï€$-backbonding effect (A)</p> Signup and view all the answers

What is the standard cell potential for the reaction Fe3+ + e– → Fe2+?

<p>0.80 V (A)</p> Signup and view all the answers

If the external potential (Eext) is 1.1 V, what happens in terms of electron flow?

<p>No flow of electrons. (C)</p> Signup and view all the answers

Which of the following is true about dilution effect on conductance?

<p>Weak electrolytes show a decrease in molar conductivity on dilution. (C)</p> Signup and view all the answers

In which direction do electrons flow when Eext is greater than 1.1 V?

<p>From Cu rod to Zn rod. (D)</p> Signup and view all the answers

Which type of amine has the highest boiling point?

<p>Primary (A)</p> Signup and view all the answers

Which reaction is used as a test for primary amines?

<p>Carbylamine reaction (A)</p> Signup and view all the answers

What is the product of the Gabriel phthalimide synthesis?

<p>R–C–NH2 (A)</p> Signup and view all the answers

In which order do alkyl halides undergo ammonolysis?

<p>(C2H5)2NH &gt; (C2H5)3N &gt; C2H5NH2 &gt; NH3 (C)</p> Signup and view all the answers

Which amine shows the highest basicity in gaseous phase?

<p>(C2H5)2NH (C)</p> Signup and view all the answers

What is the product of the reduction of nitro compounds in presence of Sn/HCl?

<p>(CH3)CH(OH)CH3 (B)</p> Signup and view all the answers

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