Q.25 Compound X gives alcohol P as the major product for the reaction shown below.Suitable option(s) for X is/are Introduction In this CSIR‑NET style Grignard reagent problem, compound X reacts […]
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GATE Life Science 2023 Previous Year Papers with Solutions
HSAB Principle Solubility Trend
Q.24 According to Hard–Soft Acid–Base (HSAB) principle, the CORRECT option(s) forthe solubility trend in water is/are(A) AgF > AgCl > AgBr > AgI(B) LiBr > LiCl > LiF(C) AgF < […]
GATE Life Science 2023 Previous Year Papers with Solutions
E2 Elimination in Cyclohexane
Q.23 Compounds P and Q undergo E2 elimination with reaction rate constants of k1 andk2, respectively, as shown below. Which is/are the CORRECT option(s)?(A) k1 > k2(B) k2 > k1(C) […]
![Q.22 Match the coordination complexes given in Column I with the most appropriate properties in Column II. (Given: Atomic numbers of Mn: 25; Co: 27; Ni: 28) Column I Coordination complexes Column II Properties E. [Mn(H2O)6]2+ F. [CoF6]3− G. [NiCl4]2− H. [Ni(CN)4]2− 1. 5.92 Bohr Magneton (BM) 2. CFSE = 0.4 Δo 3. Metal ion hybridisation is sp3 4. Diamagnetic (A) E–1, F–2, G–3, H–4 (B) E–2, F–1, G–4, H–3 (C) E–4, F–2, G–1, H–3 (D) E–1, F–4, G–3, H–2](https://www.letstalkacademy.com/wp-content/uploads/2025/12/slide_22-6.png)
GATE Life Science 2023 Previous Year Papers with Solutions
Match the coordination complexes with their properties
Q.22 Match the coordination complexes given in Column I with the most appropriate properties in Column II. (Given: Atomic numbers of Mn: 25; Co: 27; Ni: 28) Column I Coordination […]
GATE Life Science 2023 Previous Year Papers with Solutions
Ion Exchange Chromatography Question
Q.21 A mixture of four peptides, PKKRK, RGERV, RYRGV and LVVYP, is loaded ontoan ion–exchange column at pH = 7.2. If carboxymethyl (CM) cellulose is used asthe stationary phase of […]
GATE Life Science 2023 Previous Year Papers with Solutions
Ideal Gas Isothermal Expansion Volume Doubles
Q.20 Consider two different paths in which the volume of an ideal gas doubles isothermally: Reversible expansion (work done = Wrev) Irreversible expansion, with the external pressure equal to the […]
GATE Life Science 2023 Previous Year Papers with Solutions
BrF Dipole Moment Charge Distribution Calculation
Q.19 The dipole moment (μ) of BrF is 1.42 D and the bond length is 176 pm. The atomic charge distribution (q) in the molecule is _____ (rounded off to […]
GATE Life Science 2023 Previous Year Papers with Solutions
Number of Planes of Symmetry in Planar 1,3‑Dimethylcyclobutane
Q.18 Considering cyclobutane to be planar, the number of planes of symmetry in thefollowing compound is _____________ (in integer). The given molecule (a planar 1,3‑dimethylcyclobutane with one Me as wedge […]
GATE Life Science 2023 Previous Year Papers with Solutions
Depression of Freezing Point NaCl
Q.17 The depression of freezing point of water (in K) for 0.1 molal solutions of NaCl andNa2SO4 are ∆𝑇1 and ∆𝑇2, respectively. Assuming the solutions to be ideal, theratio ∆𝑇1 […]
GATE Life Science 2023 Previous Year Papers with Solutions
First Ionization Energies Trend
Q.16 Choose the CORRECT trend(s) of the first ionization energies among the following.(Given: Atomic numbers C: 6; N: 7; O: 8; F: 9; Si: 14; P: 15; S: 16; Cl: […]
