79. The major product in the following reaction is Major Product Formed from Ethyl Acetoacetate and 1,4-Dibromobutane (Acetoacetic Ester Synthesis) Correct Answer ✅ Correct Option: (C) Understanding the Reaction Ethyl […]
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
Formation of meso-2,3-Dibromobutane from Butene Isomers
78. The compound meso 2,3-dibromobutane is obtained by (A)electrophilic addition of HBr to (E)-1-bromobut-2-ene (B) electrophilic addition of Br2 to (E)-2-butene (C) electrophilic addition of Br2 to (Z)-2-butene (D) nucleophilic […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Major Products of Gas Phase UV Irradiation of 2-Pentanone
77. The major product(s) produced by gas phase UV irradiation of 2-pentanone is (are) (A) acetone and ethene (B) acetic acid and propionic acid (C) 2-pentanol (D) cyclopentane Major Products […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Number of Phosphorus-Hydrogen Bonds
76. The number of phosphorous-hydrogen bonds in H3PO2 is Number of Phosphorus-Hydrogen Bonds in H₃PO₂ (Hypophosphorous Acid) Correct Answer ✅ Correct Answer: 2 Understanding the Structure of H₃PO₂ H₃PO₂ is […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Half-Life of an Enzyme Following First Order Deactivation Kinetics
75. The deactivation rate constant of an enzyme is 0.346 h–1. Assuming that the deactivation process follows first order kinetics, the half life of the enzyme in minutes is Half-Life […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
pH of 0.1 M Monosodium Succinate Solution
74. The pH of a 0.1 M solution of monosodium succinate (pKa1 = 4.19 and pKa2 = 5.57) is How to Calculate the pH of a 0.1 M Monosodium Succinate […]
![73. Among the following pairs of co-ordination compounds, the pair(s) which represent(s) a case of “ionization isomerism” is (are): (A) [Pt(en)2Cl2]Br2 and [Pt(en)2Br2]Cl2 (B) [Cr(NH3)4ClBr]NO2 and [Cr(NH3)4ClNO2]Br (C)[Co(NH3)6][Cr(CN)6] and[Cr(NH3)6][Co(CN)6] (D)[Co(NH3)5Br]SO4 and [Co(NH3)5 SO4]Br](https://www.letstalkacademy.com/wp-content/uploads/2026/07/1-23-6.jpg)
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Ionization Isomerism in Coordination Compounds
73. Among the following pairs of co-ordination compounds, the pair(s) which represent(s) a case of “ionization isomerism” is (are): (A) [Pt(en)2Cl2]Br2 and [Pt(en)2Br2]Cl2 (B) [Cr(NH3)4ClBr]NO2 and [Cr(NH3)4ClNO2]Br (C)[Co(NH3)6][Cr(CN)6] and[Cr(NH3)6][Co(CN)6] (D)[Co(NH3)5Br]SO4 […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Properties of Oxygen and Superoxide Ion (O₂⁻)
72. The superoxide ion, O –, is produced by the reaction K+O →KO . The correct statement(s) pertaining to oxygen and superoxide ion is (are): (A) oxygen is paramagnetic and […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Convert Rate Constant from cm³ molecule⁻¹ s⁻¹ to dm³ mol⁻¹ s⁻¹
71. The rate constant for the reaction O (g) + O3 (g) → 2O2 (g) is 8.0 × 10–15 cm3 molecule–1 s–1. The rate constant in dm3 mol–1 s–1, would […]
IIT JAM Biotechnology Previous Year Question paper Topic chemistry
Speed of an Electron in the First Bohr Orbit
70. The speed of an electron (v), in the lowest energy orbit in the Bohr model of the Hydrogen atom divided by the speed of light in vacuum (c), is […]
