4AB › Chemistry PYQ › CSIR NET › December 2015

1. Q1 — Correct statement for coulometry is · Analytical Chemistry
2. Q2 — The calibration curve in spectrofluorimetric analysis becomes non-linear when · Analytical Chemistry
3. Q3 — The correct statement among the following is · Chemical Bonding
4. Q5 — The correct match for the compounds in column A with the description in column B is Column A (P) (Q) (R) · Natural Products
5. Q6 — The major product formed in the following reaction is [CH₂Cl₂, reflux]Rh₂(OAc)₄ · Reagents, Reaction Mechanisms & Named Reactions
6. Q8 — The major product formed in the following reaction sequence is: · Reagents, Reaction Mechanisms & Named Reactions
7. Q11 — The major structures of A and B in the following reaction sequence are · Reagents, Reaction Mechanisms & Named Reactions
8. Q14 — The major structures of A and B in the following reaction sequence are A B · Reagents, Reaction Mechanisms & Named Reactions
9. Q17 — The major product formed in the following reaction sequence is: · Reagents, Reaction Mechanisms & Named Reactions
10. Q18 — The major structures of A and B in the following reaction sequence are [Me₂NH]HCHO A B · Reagents, Reaction Mechanisms & Named Reactions
11. Q20 — The major structures of A and B in the following reaction sequence are PhCOOH, DCC A [then alumina]PDC · Reagents, Reaction Mechanisms & Named Reactions
12. Q24 — The major structures of A and B in the following reaction sequence are A [(ii) H₃O⁺ (iii) Zn-HCl](i) t-BuONO · Reagents, Reaction Mechanisms & Named Reactions
13. Q25 — The major product formed in the following reaction sequence is: · Reagents, Reaction Mechanisms & Named Reactions
14. Q27 — In Kohlrausch law, Λm=Λmo-κ √(c), Λmo and κ · Electrochemistry
15. Q28 — Given that Eo(Cl₂/Cl⁻) = 1.35 V and Ksp(AgCl) = 10⁻¹⁰ at 25°C, Eo corresponding to the electrode reaction · Electrochemistry
16. Q29 — The standard EMF of the cell Pt, H₂(g) | HCl(soln.) | AgCl(s), Ag(s) · Electrochemistry
17. Q30 — The standard deviation of speed (σc) for Maxwell's distribution satisfies the relation · Gaseous State
18. Q31 — The molecule with the smalllest rotational constant (in the microwave spectrum) among the following is · Molecular Spectroscopy
19. Q32 — For a simple cubic crystal lattice, the angle between the [201] plane and the xy plane is · Solid State Chemistry
20. Q33 — The standard deviation of speed (σc) for Maxwell's distribution satisfies the relation · Statistical Thermodynamics
21. Q34 — A reversible expansion of 1.0 mol of an ideal gas is carried out from 1.0 L to 4.0 L under isothermal · Thermodynamics
22. Q35 — The temperature-dependence of the vapour pressurse of solid A can be represented by log p=10.0-1800/T, and · Thermodynamics
23. Q36 — The non-spontaneous process among the following is · Thermodynamics
24. Q37 — Correct statement for coulometry is · Analytical Chemistry
25. Q38 — Pick the correct statements about Atomic Absorption Spectrometry (AAS) from the following: A. Hg lamp is not · Analytical Chemistry
26. Q39 — The calibration curve in spectrofluorimetric analysis becomes non-linear when · Analytical Chemistry
27. Q40 — The biological functions of cytochrome P₄₅₀ and myoglobin are, respectively · Bioinorganic Chemistry
28. Q41 — Deoxy-hemocyanin is · Bioinorganic Chemistry
29. Q42 — The resonance Raman stretching frequency (νO-O in cm⁻¹) of O₂, is 1580. The νO-O for O₂ in bound · Bioinorganic Chemistry
30. Q43 — Match the metalloprotein in Column-A with its biological function and metal centre in Column-B The correct · Bioinorganic Chemistry
31. Q44 — The structures of XeF₂ and XeO₂F₂ respectively are · Chemical Bonding
32. Q45 — The molecule C₃ O₂ has a linear structure. This compound has · Chemical Bonding
33. Q47 — The correct statement among the following is · Chemical Bonding
34. Q48 — The number of lone pair(s) of electrons on the central atom in [BrF₄]⁻, XeF₆ and [SbCl₆]⁻ are respectively · Chemical Bonding
35. Q49 — The ground state electronic configuration of C₂, using all electron is · Chemical Bonding
36. Q50 — The term symbol for the first excited state of Be with the electronic configuration 1s²2s¹3s¹ is. · Coordination Chemistry
37. Q51 — The oxidizing power of [CrO₄]²⁻, [MnO₄]²⁻ and [FeO₄]²⁻ follows the order · Coordination Chemistry
38. Q52 — Using crystal field theory, identify from the following complex ions that shows same μeff (spin only) values · Coordination Chemistry
39. Q53 — The correct statement for Mn-O bond lengths in [Mn (H₂ O)₆]²⁺, is · Coordination Chemistry
40. Q54 — Identify the complex ions in sequential order when ferroin is used as an indicator in the titration of · Coordination Chemistry
41. Q56 — [MnO₄]⁻is deep purple in colour whereas [ReO₄]⁻is colourless. This is due to greater energy required for · Coordination Chemistry
42. Q57 — The correct statement about the substitution reaction of [Co(CN)₅Cl]³⁻ with OH⁻ to give [Co(CN)₅(OH)]³⁻ is, · Coordination Chemistry
43. Q58 — Aqueous Cr²⁺ effects one electron reduction of [Co (NH₃)₅ Cl]²⁺ giving compound Y. Compound Y undergoes rapid · Coordination Chemistry
44. Q59 — Choose the correct statements about Tanabe-Sugano diagrams · Coordination Chemistry
45. Q60 — Three electronic transitions at 14900, 22700 and 34400 cm⁻¹ are observed in the absorption spectrum of · Coordination Chemistry
46. Q61 — Possible term symbol(s) of the excited states of Na atom with the electronic configuration [1s²2s²2p⁶3p¹] · Coordination Chemistry
47. Q62 — The symmetry-allowed atomic transition among the following is · Coordination Chemistry
48. Q63 — The metallic radii are abnormally high for which of the following pairs? · Lanthanides and Actinides
49. Q64 — Which of the following statements are TRUE for the lanthanides? (A) the observed magnetic moment of Eu at · Lanthanides and Actinides
50. Q65 — The order of increasing Bronsted acidity for boron hydrides is · Main Group Elements
51. Q66 — The ring size and the number of linked tetrahedral present in [Si₆O₁₈]¹²⁻ are, respectively · Main Group Elements
52. Q67 — Consider the following reaction : N₃P₃Cl₆ + 6HNMe₂ → N₃P₃Cl₃(NMe₂)₃ + 3 Me₂NH.HCl [A] The number of possible · Main Group Elements
53. Q68 — The reaction of BCl₃, with NH₄Cl gives product A which upon reduction by NaBH₄ gives product B. Product B · Main Group Elements
54. Q69 — Protonated form of ZSM-5 catalyzes the reaction of ethene with benzene to produce ethylbenzene. The correct · Main Group Elements
55. Q71 — Identify radioactive capture from the following nuclear reactions: · Nuclear Chemistry
56. Q72 — The W-W bond order in [W (η⁵-C₅ H₅)(μ-Cl)(CO)₂]₂ is · Organometallic Compounds
57. Q73 — For the reaction of [Fe (η⁵-C₅ H₅) (CH₃)(CO)₂] with PMe₃, the main intermediate is · Organometallic Compounds
58. Q74 — [(eta³-mathrmC₃H₅)mathrmMn(CO)₄] shows fluxional behavior. The ¹mathrmH NMR spectrum of this compound when it · Organometallic Compounds
59. Q75 — Using Wade's rules predict the structure type of [C₂ B₅ H₇] · Organometallic Compounds
60. Q76 — For uranocene, the correct statement(s) is/are · Organometallic Compounds
61. Q77 — The final products of the reaction of carbonyl metalates [V(CO)₆]⁻ and [Co(CO)₄]⁻ with H₃ PO₄ respectively · Organometallic Compounds
62. Q78 — The number of valence electrons provided by [Ru(CO)₃] fragment towards cluster bonding is · Organometallic Compounds
63. Q79 — The intermediate and the final major product of photolysis of Z (Z) From the following are (A) (B) (C) (D) · Organometallic Compounds
64. Q80 — Reaction of [Mn₂(CO)₁₀] with I₂, results in A without loss of CO. Compound A, on heating of 120°C loses a CO · Organometallic Compounds
65. Q84 — Heating a sample of [ (η⁵-C₅ H₅) Mo(CO)₃]₂ results in the formation of [ (η⁵-C₅ H₅) Mo(CO)₂] with elimination · Organometallic Compounds
66. Q85 — The structure of the compounds that matches the 1H ~ NMR data given below is ¹ H ~ NMR ~ DMSO-d₆: δ 7.75 dd · Organic Spectroscopy
67. Q87 — The number of chemical shift non-equivalent protons expected in ¹H NMR spectrum of α-pinene is α-pinene · Organic Spectroscopy
68. Q88 — In the mass spectrum of 1,2-dichloroethane, approximate ratio of peaks at m/z values 98, 100, 102 will be · Organic Spectroscopy
69. Q89 — The major product formed by photochemical reaction of (2E, 4Z, 6E)-decatriene is · Pericyclic Reactions
70. Q90 — The following transformation involves sequential · Pericyclic Reactions
71. Q93 — The standard deviation of speed (σc) for Maxwell's distribution satisfies the relation · Atomic and Molecular Term Symbol
72. Q95 — vmax and Km for an enzyme catalyzed reaction are 2.0 × 10⁻³ Ms⁻¹ and 1.0 × 10⁻⁶ M, respectively. The rate of · Chemical Kinetics
73. Q96 — The first order rate constant for a unimolecular gas phase reaction A → products that follows Lindemann · Chemical Kinetics
74. Q98 — If the rates of a reaction are R₁ and R₂ at concentrations C₁ and C₂ of a reactant respectively, the order of · Chemical Kinetics
75. Q99 — In Kohlrausch law, Λm=Λm⁰-κ √(c), Λmo and κ · Electrochemistry
76. Q100 — The concentration of a MgSO₄ solution having the same ionic strength as that of a 0.1 M Na₂SO₄ solution is · Electrochemistry
77. Q102 — The standard EMF of the cell Pt, H.g HCl soln. AgCls, Ag(s) · Electrochemistry
78. Q103 — 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
79. Q104 — IR active normal modes of methane belong to the irreducible representation: · Group Theory
80. Q105 — The molecule diborane belongs to the symmetry point group · Group Theory
81. Q106 — The irreducible representations of C2h are Ag, Bg, Au and Bu. The Raman active modes of trans-1,3-butadiene · Group Theory
82. Q107 — If the reduced mass of a diatomic molecule is doubled without changing its force constant, the vibrational · Molecular Spectroscopy
83. Q108 — The molecule with the smallest rotational constant (in the microwave spectrum) among the following is · Molecular Spectroscopy
84. Q109 — The spectroscopic technique that can distinguish unambiguously between trans-1,2-dichloroethylene and · Molecular Spectroscopy
85. Q110 — The vibrational frequency of a homo-nuclear diatomic molecule is ν. The temperature at which the population · Molecular Spectroscopy
86. Q111 — The ¹H NMR frequency at 1.0T is 42.4 MHz. If the gyromagnetic ratios of ¹H and ¹³C are 27 × 10⁷ and 6.75 × · Molecular Spectroscopy
87. Q112 — The correct form for a simple Langmuir isotherm is · Polymer Chemistry
88. Q113 — The correct expression for the product (Mn · Mw) [Mn and Mw are the number average and weight average molar · Polymer Chemistry
89. Q114 — The average end-to-end distance of a random coil polymer of 10⁶ monomers (in units of segment length) is · Polymer Chemistry
90. Q115 — For a simple cubic crystal, X-ray diffraction shows intense reflections for angles θ₁ and θ₂ which are · Solid State Chemistry
91. Q116 — Though a constant shift of energy levels of a system changes the partition function, the properties that do · Statistical Thermodynamics
92. Q117 — The standard deviation of speed (σc) for Maxwell's distribution satisfies the relation · Statistical Thermodynamics
93. Q118 — Stability of lyophobic dispersions is determined by · Surface Chemistry
94. Q119 — The value of Δ U - Δ H for the reaction Fe₂O₃(s) + 3C(s) → 2Fe(s) + 3CO(g) is · Thermodynamics
95. Q120 — If the pressure p (system) is greater than the p (surroundings), then · Thermodynamics
96. Q121 — Δ H of a reaction is equal to slope of the plot of · Thermodynamics
97. Q122 — A reversible expansion of 1.0 mol of an ideal gas is carried out from 1.0 L to 4.0 L under isothermal · Thermodynamics
98. Q124 — The non-spontaneous process among the following is · Thermodynamics

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