4AB › Chemistry PYQ › CSIR NET › June 2013

1. Q2 — The number of lone-pairs are identical in the pairs · Chemical Bonding
2. Q9 — The biosynthetic precursor for the steroids is · Natural Products
3. Q10 — Number of isoprene units present in lupeol is · Natural Products
4. Q21 — What is the atomic term symbol for helium atom with electronic configuration 1 s² ? · Atomic and Molecular Term Symbol
5. Q76 — A chemical reaction involving nonlinear molecule + nonlinear molecule ⇋nonlinear activated complex.The number · Chemical Kinetics
6. Q77 — The correlation coefficient of two parameters is found to be -0.99. It may be concluded that the two · Data Analysis
7. Q79 — If the concentration (c) is increased to 4 times its original value (c), the change in molar conductivity for · Electrochemistry
8. Q84 — In NMR spectroscopy, the product of the nuclear 'g' factor (gN), the nuclear magneton (βN) and the magnetic · Molecular Spectroscopy
9. Q86 — The wave function ψ of a certain system is the linear combination ψ=√(1/4) ψ₁+√(3/4) ψ₂ where ψ₁ and ψ₂ are · Quantum Chemistry
10. Q87 — For the particle-in-a-box problem in (0, L) an approximate wave function is given as x(L / 2-x)(L-x). The · Quantum Chemistry
11. Q88 — The hydrogenic orbital with the form of the radial function r² (α₁-r) (α₂-r) exp [-β r] where a₁, a₂ and b · Quantum Chemistry
12. Q89 — The operator [x, [x, p²]] is identical with · Quantum Chemistry
13. Q91 — Identify the Huckel determinant for cyclobutadiene · Quantum Chemistry
14. Q93 — The coordinates for the atoms in a body centred cubic unit cell are · Solid State Chemistry
15. Q94 — The inter planar distance (Å) for a (100) plane in a cubic structure with the lattice parameter of 4 Å is: · Solid State Chemistry
16. Q95 — A plane of spacing 'd' shows first order Bragg diffraction at angle θ. A plane of spacing 2d · Solid State Chemistry
17. Q96 — A system has 100 degenerate energy levels and 100 bosons are kept in it. Find the entropy of the system at · Statistical Thermodynamics
18. Q98 — The allowed transition among the following is · Statistical Thermodynamics
19. Q99 — The aggregation of surfactant molecules is known as · Surface Chemistry
20. Q101 — The lowest pressure at which the liquid phase of a pure substance can exist is known as · Thermodynamics
21. Q103 — Which of the following statements is true for a cyclic process? · Thermodynamics

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