4AB › Chemistry PYQ › CSIR NET › June 2015

1. Q1 — The pair of light source and atomizer resulting highest sensitivity to atomic absorption spectrometric · Analytical Chemistry
2. Q3 — Considering the following parameters with reference to the fluorescence of a solution: 1. Molar absorptivity · Analytical Chemistry
3. Q4 — The ¹¹⁹Sn NMR chemical shift (approximately in ppm) corresponding to (η⁵-Cp)₂Sn (relative to Me₄Sn) is · Inorganic Spectroscopy
4. Q24 — The lowest energy-state of an atom with electronic configuration ns¹ np¹ has the term symbol · Atomic and Molecular Term Symbol
5. Q25 — The electric-dipole allowed transition among the following is · Atomic and Molecular Term Symbol
6. Q26 — The term symbol for the first excited state of Be with the electronic configuration 1 s² 2 s¹ 3 s¹ is · Atomic and Molecular Term Symbol
7. Q27 — The temperature-dependence of a reaction is given by k=A T² exp (-E₀ / R T) The activation energy Ea of the · Chemical Kinetics
8. Q28 — For a reaction, 2 A+B → 3 Z, if the rate of consumption of A is 2 × 10⁻⁴ mol dm⁻³ s⁻¹ the rate of formation · Chemical Kinetics
9. Q31 — The temperature-dependence of an electrochemical cell potential is · Electrochemistry
10. Q32 — Conductometric titration of a strong acid with a strong alkali (MOH) shows linear fall of conductance up to · Electrochemistry
11. Q33 — The product C₂x · σxy (C₂x is the two-fold rotation axis around the x-axis and σxy is the xy mirror plane) is · Group Theory
12. Q34 — IR active normal modes of methane belong to the irreducible representation: · Group Theory
13. Q52 — Mössbauer spectrum of a metal complex gives information about · Inorganic Spectroscopy
14. Q72 — The ¹ H ~ NMR spectrum of a dilute solution of a mixture of acetone and dichloromethane in CDCl₃ exhibits two · Organic Spectroscopy
15. Q73 — Intense band generally observed for a carbonyl group in the IR spectrum is due to · Organic Spectroscopy
16. Q77 — The temperature-dependence of a reaction is given by k=AT² exp (-E₀ / RT) The activation energy Ea of the · Chemical Kinetics
17. Q78 — For a reaction, 2 A+B → 3 Z, if the rate of consumption of A is 2 × 10⁻⁴ mol dm⁻³ s⁻¹ the rate of formation · Chemical Kinetics
18. Q79 — For a given ionic strength, (I) rate of reaction is given by log k/(k₀)=-4 × 0.51 I1 / 2. Which of the · Chemical Kinetics
19. Q80 — The intensity of a light beam decreases by 50% when it passes through a sample of 1.0 cm path length. The · Chemical Kinetics
20. Q81 — According to transition state theory, the temperature-dependence of pre-exponential factor (A) for a reaction · Chemical Kinetics
21. Q82 — In a photochemical reaction, radicals formed according to the equation C₄ H₁₀+hv ⇌ 2 C₂ H₅ C₂ H₅+C₂ H₅ k₂ C₂ · Chemical Kinetics
22. Q85 — In a conductometric experiment for estimation of acid dissociation constant of acetic acid, the following · Data Analysis
23. Q87 — The temperature-dependence of an electrochemical cell potential is · Electrochemistry
24. Q88 — Conductometric titration of a strong acid with a strong alkali (MOH) shows linear fall of conductance up to · Electrochemistry
25. Q89 — The symmetric rotor among the following is · Molecular Spectroscopy
26. Q90 — The nuclear g-factors of ₁ H and ₁₄ N are 5.6 and 0.40 respectively. If the magnetic field in an NMR · Molecular Spectroscopy
27. Q91 — The spectroscopic technique, by which the ground state dissociation energies of diatomic molecules can be · Molecular Spectroscopy
28. Q92 — The intrinsic viscosity depends on the molar mass as [η]=KMa. The empirical constants K and a are dependent on · Polymer Chemistry
29. Q93 — The stability of a lyophobic colloid is the consequence of · Polymer Chemistry
30. Q95 — The correct form for a simple Langmuir isotherm is · Polymer Chemistry
31. Q96 — The correct expression for the product ((Mn) · ((Mw))) [ ((Mn... and ((Mw.. are the number average and weight · Polymer Chemistry
32. Q103 — Heat capacity of a species is independent of temperature if it is · Thermodynamics
33. Q105 — A thermodynamic equation that relates the chemical potential to the composition of a mixture is known as · Thermodynamics

← December 2014 · December 2015 → · All CSIR NET papers