36. H2 reacts with trans-(Ph3P)2Ir(CO)Cl to primarily produce _____. Primary Product Formed When H2 Reacts with trans-(Ph3P)2Ir(CO)Cl Correct Answer: Option (D) The complex trans-(Ph3P)2Ir(CO)Cl is the well-known Vaska’s complex. It […]
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IIT JAM Biotechnology Previous Year Question paper Topic chemistry
pKa Increases in Which Order?
35. pKa increases in the order: (A) HN₃ > NH₃OH⁺ > N₂H₅⁺ > NH₃ (B) NH₃OH⁺ > N₂H₅⁺ > HN₃ > NH₃ (C) NH₃ > NH₃OH⁺ > N₂H₅⁺ > HN₃ […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Orbital Angular Momentum of Hydrogen Atom
34. The orbital angular momentum of hydrogen atom in the ground state is _____. (A) 0 (B) h/2π (C) h/2 (D) h Orbital Angular Momentum of Hydrogen Atom in the […]
![33. In a reaction A + B → C, the initial rate of formation of C at 25°C was measured for different initial concentrations of A and B. The overall order of the reaction with respect to both A and B is _____ (answer in integer). Experimental Data: Experiment Initial [A] (mol L−1) Initial [B] (mol L−1) Initial Rate of Formation of C (mol L−1 s−1) 1 0.4 0.3 0.078 2 0.8 0.3 0.312 3 0.4 0.6 0.156 4 0.8 0.6 0.624](https://www.letstalkacademy.com/wp-content/uploads/2026/07/1-33-4.jpg)
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Overall Order of Reaction with Respect to A and B
33. In a reaction A + B → C, the initial rate of formation of C at 25°C was measured for different initial concentrations of A and B. The overall […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Change in pH of Acetic Acid–Sodium Acetate Buffer
32. A buffer solution is composed of 0.1 M acetic acid and 0.15 M sodium acetate. The change in pH of 1 L buffer solution upon addition of 50 mL […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
E° Value of a Daniell Cell Zn|Zn²⁺(aq)||Cu²⁺(aq)|Cu
31. The E° value of a Daniell cell Zn|Zn²⁺(aq)||Cu²⁺(aq)|Cu is ______ V, rounded off to two decimal places. The given standard reduction potentials are E°(Zn²⁺/Zn) = −0.76 V and E°(Cu²⁺/Cu) […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Stereoisomers, Stereogenic Centers and Diastereomers
30. Which of the following is/are correct for the two molecules shown? (A) They are stereoisomers (B) Each of them has two stereogenic centers (C) They are mirror images of […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Correct SN2 Reaction Rate Order
29. Four alkyl halides, MeBr, EtBr, i-PrBr and t-BuBr, undergo SN2 reactions in the presence of hydroxide ion to yield the corresponding alcohols and halide ion. The correct order of […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Free Expansion of an Ideal Gas Under Adiabatic Conditions
28. Which of the following conditions is correct for the free expansion of an ideal gas under adiabatic conditions? Here, q represents heat, ΔT represents temperature difference, and w represents […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Correct Order of Electronegativity of B, C, N, O and F
27. The correct order of electronegativity of the given elements is: (A) B > C > N > O > F (B) F > O > N > C > […]
