4AB › Chemistry PYQ › CSIR NET › June 2019

1. Q1 — The reaction of IO₃⁻ with I⁻ in aqueous acidic medium results in · Acid and Bases
2. Q2 — Among the following reactions, those that are feasible in liquid NH₃ are (I) KNO₃ + AgCl → KCl + AgNO₃ (II) · Acid and Bases
3. Q3 — The cations formed upon dissolving SnF₄ and AuF₃ in liquid BrF₃ separately, respectively are · Acid and Bases
4. Q9 — the term symbol for ground state dinitrogen cation radical (N₂⁺) is · Atomic and Molecular Term Symbol
5. Q11 — If the overpotential of an electrolysis process is increased from 0.5 V to 0.6 V, then the ratio of current · Electrochemistry
6. Q15 — One mole of a mono-atomic ideal gas is transformed from 300 K and 2 atm to 600 K and 4 atm. The entropy · Thermodynamics
7. Q17 — The chemical potential (μ) of a 2 molar Na₂SO₄ solution is expressed in terms of mean ionic activity · Thermodynamics
8. Q20 — Incorrect statement for amperometric titration is · Analytical Chemistry
9. Q25 — Hydrogen Bonding Weak Interactions · Chemical Bonding
10. Q30 — The correct set of information is · Coordination Chemistry
11. Q63 — If the half-life of a reaction is inversely proportional to the square of the concentration of the reactant · Chemical Kinetics
12. Q65 — A physical observable, 'x', appears with the probability distribution e(-|2 x-12|) the average of x would be · Data Analysis
13. Q66 — The mobility of a divalent cation in water is 8 × 10⁻⁸ m² V⁻¹ S⁻¹. The effective radius of the ion is · Electrochemistry
14. Q67 — If the over potential of an electrolysis process is increased from 0.5V to 0.6V, then the ratio of current · Electrochemistry
15. Q68 — The π-orbital p₁+p₂-p₃-p₄ of cis-butadiene belongs to the irreducible representation · Group Theory
16. Q75 — Nearest neighbour distance in a crystal system of side length a is a/(√(2)) in · Solid State Chemistry
17. Q77 — The allowed transition among the following is · Statistical Thermodynamics
18. Q78 — The rotational partition function is expected to be the smallest for the molecule, among the following · Statistical Thermodynamics
19. Q81 — The difference between standard molar entropies of two mono-atomic gases (A) and (B) (Sm,A⁰-Sm,B⁰) at a given · Statistical Thermodynamics
20. Q82 — Above the critical micelle concentration (CMC), the option which correctly describes the variation of molar · Surface Chemistry
21. Q85 — When two moles of liquid A are mixed with two moles of liquid B at 300 K, the excess molar Gibbs energy of · Thermodynamics
22. Q86 — A sample of 2.0 moles of O₂(g) (assumed ideal) at 500 K is expanded from 5 L to 50 L under adiabatic and · Thermodynamics
23. Q87 — The chemical potential (μ) of a 2 molar Na₂ SO₄ solution is expressed in terms of mean ionic activity · Thermodynamics

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