4AB › Chemistry PYQ › CSIR NET › June 2016

1. Q1 — Which of the following react(s) with AsF₅ in liquid BrF₃ ? · Acid and Bases
2. Q5 — Identify correct statements for the EPR spectrum of VO(acac)₂ [with square pyramidal geometry at vanadium] at · Inorganic Spectroscopy
3. Q13 — Experimentally determined rate law for the chemical reaction, 2NO₂F → 2NO₂+F₂ is R=k[NO₂F] The rate · Chemical Kinetics
4. Q15 — In a potentiometric titration, the end point is characterised by · Electrochemistry
5. Q16 — The point group obtained by adding symmetry operation σh to the point group C₄ is · Group Theory
6. Q51 — The frontier orbital interactions involved in the formation of the carbocation intermediate in the reaction · Pericyclic Reactions
7. Q56 — If the rates of a reaction are R₁ and R₂ at concentrations C₁ and C₂ of a reactant respectively, the order of · Chemical Kinetics
8. Q57 — Experimentally determined rate law for the chemical reaction, 2 NO₂ F → 2 NO₂+F₂ is R=k [NO₂ F] The rate · Chemical Kinetics
9. Q58 — For the chemical reaction in aqueous solution, CH₂ ClCOO⁻+OH⁻ → CH₂ OHCOO⁻+Cl⁻ the correct statement is · Chemical Kinetics
10. Q59 — If experimentally observed rate constant is greater than the maximum value of rate constant obtained using · Chemical Kinetics
11. Q60 — Half-life t1 / 2 for a third order reaction 3C → products, where C₀ is the initial concentration of C, will be · Chemical Kinetics
12. Q62 — A physical observable, 'x', appears with the probability distribution e(-|2 x-12|) the average of x would be · Data Analysis
13. Q63 — In a potentiometric titration, the end point is characterised by · Electrochemistry
14. Q64 — The standard electrode potential E₀ at a fixed temperature and in a given medium is dependent on · Electrochemistry
15. Q65 — Two aqueous 1:1 electrolyte systems A and B are at different temperatures TA and TB and CA and CB · Electrochemistry
16. Q66 — The symmetry point group of the most stable geometry of the following molecule Cl(H) C=C=C(H) Cl is · Group Theory
17. Q68 — In an NMR spectrometer containing a 2.5 T magnet, Larmor precession frequency of 1 H is 100 MHz. The · Molecular Spectroscopy
18. Q69 — Upon application of a weak magnetic field, a line in the microwave absorption spectrum of rigid rotor splits · Molecular Spectroscopy
19. Q70 — The condensation of hydroxy acid produces a polyster with the probability of linkage at both ends being p · Polymer Chemistry
20. Q76 — For a hermitian operator A, which does NOT commute with the Hamiltonian H, let ψ₁ be an eigenfunction of A · Quantum Chemistry
21. Q77 — The simultaneous eigen functions of angular momentum operators L² and LZ are · Quantum Chemistry
22. Q78 — The ionization energy of hydrogen atom in its ground state is approximately 13.6 eV. The potential energy of · Quantum Chemistry
23. Q79 — In simple molecular orbital theory of hydrogen molecule, bonding σg and anti-bonding σu molecular orbitals · Quantum Chemistry
24. Q80 — The correct normalized wave function for one of the sp² hybrid orbitals is · Quantum Chemistry
25. Q81 — The orbital degeneracy of the level of a one-electron atomic system with Z=5 and energy =-13.6 eV, is · Quantum Chemistry
26. Q84 — The spatial part of an excited state b³ Σu⁺of hydrogen molecule is proportional to [1 σg(1) σu(2)-1 σg(2) · Quantum Chemistry
27. Q85 — Which of the functions below is a common eigenfunction of d/dx and (d²)/(dx²) operators? · Quantum Chemistry
28. Q86 — The number of degenerate spatial orbitals of a hydrogen-like atom with principal quantum number n=6 is · Quantum Chemistry
29. Q87 — If [A, B]=0 and [A, C]=0, then which of the following necessarily holds: [A, B and C are operators] · Quantum Chemistry
30. Q88 — The electronic transition energy from π₁ → π₂ in propenyl radical is 4.8 eV. Within the framework of Huckel · Quantum Chemistry
31. Q92 — A particle is in a state φ=ψ₁+3ψ₂ where ψ₁ and ψ₂ are eigenfunctions of the Hamiltonian of the particle with · Quantum Chemistry
32. Q96 — In a cubic crystal, the plane [100] is equally inclined to the planes · Solid State Chemistry
33. Q98 — The single – partition translational partition function (f) for an ideal gas in a fixed volume V depends on · Statistical Thermodynamics
34. Q100 — When river water containing colloidal clay flows into the sea, the major cause of silting is · Surface Chemistry
35. Q101 — ((∂ H)/(∂ P))T has the dimension of · Thermodynamics
36. Q102 — For an ideal gas at 300 K · Thermodynamics

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