46. In the ¹H NMR spectrum, which one of the following compounds will show a triplet? Which Compound Will Show a Triplet in the ¹H NMR Spectrum? Correct Answer: Option […]
Category: IIT JAM Biotechnology Previous Year Question paper Topic Wise
IIT JAM Biotechnology Previous Year Question paper Topic Wise
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Which Statement Is Correct? BF3 Lewis Acidity
45. Which one of the following statements is correct? (A) BF3 is a stronger Lewis acid than BI3. (B) CO and CN− are good π-accepting ligands. (C) cis-Diamminedichloroplatinum(II) has zero […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Match Proline, Oxytocin, Aspartame and Penicillin
44. Match the entries in Group I with those in Group II. Group I P) Proline Q) Oxytocin R) Aspartame S) Penicillin Group II 1) Artificial sweetener 2) Cyclic amino […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Achiral Molecules Among I, II, III and IV
43. The achiral molecules among the following (I, II, III and IV) are: (A) I and III (B) II and IV (C) III and IV (D) I and IV Achiral […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Standard EMF of Silver Cell Reaction 2Ag⁺ → Ag + Ag²⁺
42. The standard EMF of a cell, in volts, involving the following reaction at 298 K is _____, correct to two decimal places. 2Ag+(aq) → Ag(s) + Ag2+(aq) Given: Ag+(aq) […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Concentration of NaCl at the Stoichiometric Equivalence Point
41. The concentration of NaCl, in mM, formed at the stoichiometric equivalence point when 10 mL of 0.1 M HCl solution is titrated with 0.2 M NaOH solution is _____, […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Total Number of Lone Pairs of Electrons in NO2F
40. The total number of lone pairs of electrons in NO2F is _____. Total Number of Lone Pairs of Electrons in NO2F Correct Answer: 8 The total number of lone […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Reaction of (R)-2-Bromobutane with CN⁻ – SN2 Mechanism
39. The reaction of (R)-2-bromobutane with CN⁻ proceeds by: (A) Retention of configuration (B) Inversion of configuration (C) Formation of CH₂=CH(CH₂CH₃) (D) Formation of (S)-2-methylbutanenitrile Reaction of (R)-2-Bromobutane with CN⁻ […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
BF₃ Reacts Readily With Which Compound?
38. BF3 reacts readily with: (A) C5H5N (B) SnCl2 (C) SO3 (D) (C5H5N)-SnCl2 BF₃ Reacts Readily With Which Compound? Detailed Lewis Acid-Base Explanation Correct Answer: Option (A) C5H5N Why Does […]
![37. Among the following species, the metal center that has the highest number of unpaired electrons is _____. (A) VCl4 (B) Ni(CO)4 (C) [AuCl4]− (D) [CdBr4]2−](https://www.letstalkacademy.com/wp-content/uploads/2026/07/1-37-4.jpg)
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Metal Center with Highest Number of Unpaired Electrons
37. Among the following species, the metal center that has the highest number of unpaired electrons is _____. (A) VCl4 (B) Ni(CO)4 (C) [AuCl4]− (D) [CdBr4]2− Which Metal Center Has […]
