4AB › Chemistry PYQ › CSIR NET › December 2012

1. Q2 — The compound that will behave as an acid in H₂ SO₄ is · Acid and Bases
2. Q3 — Which ones among CO₃²⁻, SO₃, XeO₃, and NO₃⁻, have planar structure? · Chemical Bonding
3. Q6 — Consider the catalyst in column-I and reaction in column-II. Column-I: A [(R)-BINAP]Ru⁻²; B [Rh(CO)₂I₂]⁻¹; C · Organometallic Compounds
4. Q7 — In hydrofomylation reaction using [Rh(PPh₃)₂(CO)(H)] as the catalyst, addition of excess PPh₃, would · Organometallic Compounds
5. Q27 — The decomposition of NH₃ on Mo surface follows Langmuir-Hinshelwood mechanism. The decomposition was carried · Chemical Kinetics
6. Q29 — The rate equation for the reaction 2AB+B₂ → 2AB₂ is given by rate=k[AB][B₂] A possible mechanism consistent · Chemical Kinetics
7. Q31 — The potential in Debye-Hückel theory is proportional to · Electrochemistry
8. Q34 — For water, Δ Hvap ≈ 41 kJ mol⁻¹. The molar entropy of vaporization at 1 atm pressure is approximately · Thermodynamics
9. Q36 — The internal pressure (∂ U / ∂ V)T of a real gas is related to the compressibility factor Z=p V / RT by [ · Thermodynamics
10. Q83 — A chemical reaction involving nonlinear molecule + nonlinear molecule ⇋nonlinear activated complex.The number · Chemical Kinetics
11. Q85 — The Daniel cell is · Electrochemistry
12. Q88 — The potential in Debye-Huckel theory is proportional to · Electrochemistry
13. Q90 — The number of IR active vibrational modes of pyridine is: · Group Theory
14. Q91 — The absorption spectrum of O₂ shows a vibrational structure that becomes continuum at 56875 cm⁻¹. At the · Molecular Spectroscopy
15. Q92 — The vibrational frequency and anharmonicity constant of an alkali halide are 300 cm⁻¹ and 0.0025 · Molecular Spectroscopy
16. Q93 — If A and B are non-commuting Hermitian operators, all eigenvalues of the operator given by the commutator [A · Quantum Chemistry
17. Q94 — The value of commutator [x, px²] is given by · Quantum Chemistry
18. Q95 — Combining two real wave functions φ₁ and φ₂ the following functions are constructed: A=φ₁+φ₂, B=φ₁+i φ₂ · Quantum Chemistry
19. Q97 — One molecular orbital of a polar molecule A B has the form cA ψA+cB ψB, where ψA and ψB are normalized atomic · Quantum Chemistry
20. Q98 — Suppose, the ground stationary state of a harmonic oscillator with force constant 'k' is given by ψ₀=exp · Quantum Chemistry
21. Q99 — The energy of a harmonic oscillator in its ground state is 1 / 2 h ω′. According to the virial theorem, the · Quantum Chemistry
22. Q102 — The difference in energy levels of n=2 and n=1 of a particle -in- a one dimensional box is 6 units of energy · Quantum Chemistry
23. Q104 — A metal crystallizes in fcc structure with a unit cell side of 500 pm. If the density of the crystal is 1.33 · Solid State Chemistry
24. Q105 — The packing fraction of a simple cubic lattice is close to · Solid State Chemistry
25. Q106 — Crystal A diffracts from (111) and (200) planes but not from (110) plane, while the crystal B diffracts from · Solid State Chemistry
26. Q109 — For water, Δ Hvap ≈ 41 kJ mol⁻¹. The molar entropy of vaporization at 1 atm pressure is approximately · Thermodynamics
27. Q111 — The internal pressure (∂ U / ∂ V)T of a real gas is related to the compressibility factor Z=p V / RT by · Thermodynamics
28. Q112 — In atom recombination reactions · Chemical Kinetics
29. Q113 — In the Lindemann mechanism of unimolecular reactions, the observed order at low concentration is: · Chemical Kinetics

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