4AB › Chemistry PYQ › CSIR NET › December 2013

1. Q1 — Among the following, the correct acid strength trend is represented by · Acid and Bases
2. Q5 — The energy of 2s and 2p orbitals is the same for · Chemical Bonding
3. Q11 — Consider the following statements about cis- and trans-decalins (A) cis-isomer is more stable than · General Organic Chemistry
4. Q20 — The number of nodes present in the highest occupied molecular orbital of 1, 3, 5-hexatriene in its ground · Pericyclic Reactions
5. Q31 — According to Arrhenius equation (k= rate constant and T= temperature) · Chemical Kinetics
6. Q35 — The limiting molar conductivities of NaCl, NaI and RbI are 12.7, 10.8 and 9.1 mS m² mol⁻¹, respectively. The · Electrochemistry
7. Q37 — The chemical potential (μi) of the ith component is defined as · Thermodynamics
8. Q44 — L-DOPA is used for treatment of · Bioinorganic Chemistry
9. Q45 — Oxidised form of enzyme catalase (structure A); prepared by the reaction of [Fe(P)]⁺ (P = porphyrin) with · Bioinorganic Chemistry
10. Q64 — In a specific reaction, hexachlorocyclotriphosphazene, N₃P₃Cl₆ was reacted with a metal fluoride to obtain · Main Group Elements
11. Q68 — The bond order of the metal-metal bond in the dimeric complex [Re₂ Cl₄ (PMe₂ Ph)₄] is · Organometallic Compounds
12. Q86 — A first order gaseous reaction is 25% complete in 30 minutes at 227 oC and in 10 minutes at 237° C. The · Chemical Kinetics
13. Q89 — In the Lineweaver-Burk plot of (initial rate) ⁻¹ vs. (initial substrate concentration) ⁻¹ for an enzyme · Chemical Kinetics
14. Q91 — The masses recorded when a substance is weighed 4 times are 15.8, 15.4, 15.6 and 16.0 mg. The variance · Data Analysis
15. Q92 — In a potentiometric titration, the end point is obtained by observing · Electrochemistry
16. Q93 — Electrolysis of an aqueous solution of 1.0 M NaOH results in · Electrochemistry
17. Q96 — The limiting molar conductivities of NaCl, NaI and RbI are 12.7,10.8 and 9.1 mS m² mol⁻¹, respectively. The · Electrochemistry
18. Q98 — The molecule with the smallest rotation partition function at any temperature among the following is: · Molecular Spectroscopy
19. Q101 — The orbital with two radial and two angular nodes is · Quantum Chemistry
20. Q102 — Consider a two-dimensional harmonic oscillator with potential energy V(x,y)=1/2kx x²+1/2ky y² If ψnx(x) and · Quantum Chemistry
21. Q105 — The most probable value of 'r' for an electron in 1s orbital of hydrogen atom is · Quantum Chemistry
22. Q106 — The angular momentum operator Ly · Quantum Chemistry
23. Q107 — The energy for a single electron excitation in cyclopropenium cation in Huckel theory is · Quantum Chemistry
24. Q108 — When Frenkel defects are created in an otherwise perfect ionic crystal, the density of the ionic crystal · Solid State Chemistry
25. Q109 — A compound of M and X atoms has a cubic unit cell. M atoms are at the corners and body centre position and X · Solid State Chemistry
26. Q110 — The angle at which the first order Bragg reflection is observed from (110) plane in a simple cubic unit cell · Solid State Chemistry
27. Q113 — Metallic gold crystallizes in fcc structure with unit cell dimension of 4.00 Å. The atomic radius of gold is · Solid State Chemistry
28. Q118 — The correct thermodynamics relation among the following is · Thermodynamics
29. Q119 — The heat capacity of 10 mol of an ideal gas at a certain temperature is 300 JK⁻¹ at constant pressure. The · Thermodynamics
30. Q121 — The chemical potential (μi) of the ith component is defined as · Thermodynamics
31. Q122 — Work (w) involved in isothermal reversible expansion from Vi to Vf of n moles of an ideal gas is · Thermodynamics

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