M.Sc. Chemistry Semester II Quiz
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Questions and Answers

What technique is used for the determination of the strengths of strong and weak acids in a mixture?

  • Potentiometry/pH metry (correct)
  • Chromatography
  • Refractometry
  • Spectrophotometry
  • Which of the following is NOT a topic covered under Potentiometry/pH metry?

  • Determination of strengths of halides in a mixture
  • Determination of temperature dependence of EMF of a cell
  • Measurement of vapor pressures (correct)
  • Acid-base titration in a non aqueous media
  • Which book is specifically suggested for techniques in organic chemistry?

  • Vogel's Textbook of Quantitative Analysis
  • Synthesis and Characterization of Inorganic Compounds
  • Experimental Physical Chemistry
  • Macroscale and Microscale Organic Experiments (correct)
  • In refractometry, what is determined in addition to the refractive indices?

    <p>Specific refractions</p> Signup and view all the answers

    What is the purpose of determining the formation constant of silver-ammonia complex using potentiometry?

    <p>To understand complex stoichiometry</p> Signup and view all the answers

    What is the total maximum mark for the M.Sc. Chemistry semester II course?

    <p>600</p> Signup and view all the answers

    Which of the following units discusses electronic spectral studies for transition metal complexes?

    <p>Unit - I</p> Signup and view all the answers

    In which unit are the properties of metal carbonyls discussed?

    <p>Unit - III</p> Signup and view all the answers

    Which parameter is used in calculating the electronic transitions in transition metal complexes?

    <p>10Dq</p> Signup and view all the answers

    What type of complex does the concept of metallic clusters apply to?

    <p>Higher boranes and metalloboranes</p> Signup and view all the answers

    Which phenomenon is associated with optical rotatory dispersion?

    <p>Circular birefringence</p> Signup and view all the answers

    What phenomenon describes the production of entropy in a non-equilibrium state?

    <p>Entropy production</p> Signup and view all the answers

    What is the role of tertiary phosphine in transition metal complexes?

    <p>It serves as a ligand.</p> Signup and view all the answers

    What theory explains the rate of unimolecular reactions?

    <p>Lindemann Hinshelwood theory</p> Signup and view all the answers

    Which equation is crucial for describing the relationship between fluxes and forces in non-equilibrium thermodynamics?

    <p>Onsager's reciprocity relations</p> Signup and view all the answers

    Which of the following effects is NOT related to circular dichroism?

    <p>Planck effect</p> Signup and view all the answers

    What does the Butler-Volmer equation relate to in electrochemistry?

    <p>Current density at electrodes</p> Signup and view all the answers

    Which of the following factors affects the critical micellar concentration (CMC) of surfactants?

    <p>pH level</p> Signup and view all the answers

    Which process is related to the quantization of charge transfer at electrode-solution interfaces?

    <p>Tunneling</p> Signup and view all the answers

    What is the primary mechanism by which macromolecules are formed during polymerization?

    <p>Both A and B</p> Signup and view all the answers

    What does the BET equation estimate in surface chemistry?

    <p>Surface area</p> Signup and view all the answers

    What is a key factor that influences the chemical shift in nuclear magnetic resonance spectroscopy?

    <p>Solvent polarity</p> Signup and view all the answers

    Which of the following describes the activated complex in reaction kinetics?

    <p>The transition state of a reaction</p> Signup and view all the answers

    In the context of nuclear magnetic resonance, what does the term 'deshielding' refer to?

    <p>Increase in chemical shift</p> Signup and view all the answers

    Which model addresses ion-solvent interactions in electrochemistry?

    <p>Debye-Hückel-Onsager treatment</p> Signup and view all the answers

    Which of the following factors primarily controls the kinetics of enzyme reactions?

    <p>Concentration of substrates</p> Signup and view all the answers

    What does the Gibbs adsorption isotherm relate to in surface chemistry?

    <p>Adsorption on surfaces</p> Signup and view all the answers

    What is the primary focus of FT NMR in spectroscopy?

    <p>Frequency resolution improvement</p> Signup and view all the answers

    What is the term for the removal of an atom or group from a molecule, particularly in the context of elimination reactions?

    <p>Leaving group departure</p> Signup and view all the answers

    What technique is primarily used for the separation and identification of cations and anions?

    <p>Column Chromatography</p> Signup and view all the answers

    Which of the following compounds is a preparation involved in inorganic complex synthesis?

    <p>K3[Cr(SCN)6].4H2O</p> Signup and view all the answers

    Which reaction is associated with organic synthesis in the provided content?

    <p>Cannizaro's reaction</p> Signup and view all the answers

    What is a key principle behind Electron Spin Resonance Spectroscopy?

    <p>Zero field splitting</p> Signup and view all the answers

    What type of analysis helps determine the percentage of hydroxyl groups in organic compounds?

    <p>Acetylation Method</p> Signup and view all the answers

    Which method is associated with analyzing the structure of crystals using X-ray diffraction?

    <p>Laue method</p> Signup and view all the answers

    Which compound's solubility product can be determined conductometrically?

    <p>BaSO4</p> Signup and view all the answers

    Which factor primarily affects the 'g' value in Electron Spin Resonance Spectroscopy?

    <p>Molecular symmetry</p> Signup and view all the answers

    In polarimetry, what is determined during the inversion of sucrose?

    <p>Rate constant</p> Signup and view all the answers

    In X-ray diffraction, what does the Bragg condition relate to?

    <p>Crystal lattice spacing</p> Signup and view all the answers

    Which method is NOT mentioned for estimating the saponification value, iodine value, and acid values of oils or fats?

    <p>Gas Chromatography</p> Signup and view all the answers

    What is the primary focus of the designated experiment/exercise from Section A in Physical Chemistry?

    <p>Saponification kinetics</p> Signup and view all the answers

    What measurement technique is used in low energy electron diffraction?

    <p>Surface structure elucidation</p> Signup and view all the answers

    Which of the following best describes the function of Miller indices in X-ray diffraction?

    <p>Identifying specific crystal planes</p> Signup and view all the answers

    Which method is used to identify unit cells from systematic absences in the diffraction pattern?

    <p>Debye Scherer method</p> Signup and view all the answers

    Which of the following best characterizes the relationship described by Mc Connell's relationship in electron spin resonance?

    <p>Relationship between spin densities and hyperfine coupling constants</p> Signup and view all the answers

    Study Notes

    Semester II, M.Sc. Chemistry

    • Scheme of Marks: The course structure includes papers on inorganic chemistry, organic chemistry, physical chemistry, spectroscopy, diffraction methods, and computer for chemists. Practical sessions are also planned for inorganic, organic, and physical chemistry.
    • Max. Marks: The total maximum marks for the semester are 600, evenly distributed amongst the different components.
    • Paper I (Inorganic Chemistry): Covering electronic spectral studies of transition metal complexes, magnetic properties of transition metal complexes, metal π-complexes, metal clusters, and optical rotatory dispersion and circular dichroism.
    • Paper II (Organic Chemistry): Topics include aromatic electrophilic substitution, free radical reactions, addition reactions, addition to carbon-hetero multiple bonds, and elimination reactions, including pericyclic reactions.
    • Paper III (Physical Chemistry): Covers chemical dynamics, surface chemistry (adsorption, micelles), macromolecules (polymers), and non-equilibrium thermodynamics.
    • Paper IV (Spectroscopy II & Diffraction Methods): Examines nuclear magnetic resonance spectroscopy (NMR), nuclear quadrupole resonance (NQR), electron spin resonance (ESR), X-ray diffraction, and electron diffraction.
    • Paper V (Computers for Chemists): A theory and laboratory-based course focusing on computer use in chemistry, including introduction to computers and computing, computer programming (FORTRAN/C/BASIC), computer programs, and applications in the field.
    • Practical Examinations: Separate practical examinations are conducted each branch of chemistry and last for 6-8 hours.
    • Inorganic Chemistry Practical: Covers areas like chromatography (separation, identification, determination of cations and anions through column chromatography and ion exchange); preparation of inorganic complexes; analysis, characterization by spectral techniques.
    • Organic Chemistry Practical: Concentrates on organic synthesis (name reactions), quantitative analysis, and record and viva-voce.
    • Physical Chemistry Practical: Examines conductometry, polarimetry, and potentiometry.

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    Description

    Test your knowledge on advanced topics covered in the M.Sc. Chemistry Semester II course. This quiz includes questions on potentiometry, organic chemistry techniques, electronic spectral studies, and more. Prepare to reinforce your understanding of complex concepts and their applications.

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