Subjective / Written Questions (25)
1. Analyse Hückel MO calculations for benzene, butadiene and heteroaromatic systems and relate charge density to bond order. / Hückel MO से benzene, butadiene और heteroaromatics में charge density तथा bond order analyse कीजिए।
2. Compare perturbation, extended-Hückel and SCF-MO approaches for molecular bonding. / Perturbation, extended-Hückel और SCF-MO approaches compare कीजिए।
3. Explain Einstein and Debye treatments of low-temperature heat capacities of solids. / Einstein और Debye models से low-temperature heat capacities समझाइए।
4. Compare Maxwell-Boltzmann, Bose-Einstein and Fermi-Dirac statistics with chemical examples. / तीनों statistics को chemical examples से compare कीजिए।
5. Analyse photochemical chain reactions, quantum yields, photosensitization and radiolysis. / Photochemical chain reactions, quantum yield, sensitization और radiolysis analyse कीजिए।
6. Explain colloidal stability, double layers, surface charge and the Gibbs/BET approaches to adsorption. / Colloidal stability, double layers तथा Gibbs/BET adsorption approaches समझाइए।
7. Compare electroanalytical methods including cyclic voltammetry, polarography, stripping methods and chronoamperometry. / Electroanalytical methods compare कीजिए।
8. Design an ion-selective or biosensor strategy considering selectivity, sensitivity and detection limit. / Selectivity, sensitivity और detection limit को ध्यान में रखकर sensor strategy design कीजिए।
9. Interpret TGA, DTA and DSC curves to distinguish decomposition, phase change and thermal transitions. / TGA, DTA और DSC curves interpret कीजिए।
10. Compare XRD, XRF, XPS, AES, UPS, EXAFS and XANES for structural characterization. / इन X-ray/electron spectroscopies की comparative analysis कीजिए।
11. Explain Mössbauer parameters and their use in assigning oxidation and coordination environments. / Mössbauer parameters से oxidation/coordination environment assign कीजिए।
12. Analyse natural-product biosynthesis through acetate, mevalonate and shikimate pathways. / Natural-product biosynthesis pathways analyse कीजिए।
13. Use spectral evidence to plan structure elucidation of terpenoids, alkaloids and steroids. / Terpenoids, alkaloids और steroids की structure elucidation plan कीजिए।
14. Compare Cram, Felkin-Anh, chelation-control and Prelog models for diastereoselective additions. / Diastereoselective additions के models compare कीजिए।
15. Evaluate chiral-pool, chiral-auxiliary, chiral-reagent and catalytic asymmetric synthesis strategies. / Asymmetric synthesis strategies evaluate कीजिए।
16. Explain Sharpless/Jacobsen epoxidation, asymmetric dihydroxylation and CBS reduction in stereoselective synthesis. / इन asymmetric reactions को stereochemical control सहित समझाइए।
17. Analyse enzyme kinetics using Michaelis-Menten and Lineweaver-Burk treatments and inhibition models. / Enzyme kinetics और inhibition models analyse कीजिए।
18. Discuss DNA/RNA structure, sequencing and phosphoramidite solid-phase synthesis. / DNA/RNA structure, sequencing और phosphoramidite synthesis discuss कीजिए।
19. Compare lipid classes, carbohydrate derivatives, vitamins and antibiotics in structure-function terms. / Lipids, carbohydrates, vitamins और antibiotics compare कीजिए।
20. Explain potentiometric, polarographic and impedimetric sensor principles for analytical applications. / Sensor principles और applications समझाइए।
21. Apply Karl Fischer and Zerewitinoff methods to moisture and active-hydrogen analysis. / Karl Fischer तथा Zerewitinoff methods apply कीजिए।
22. Evaluate acid value, saponification number and iodine number in commercial oils and fats. / Oils/fats के analytical indices evaluate कीजिए।
23. Compare ELISA, Western blot, RIA, immunodiffusion and DNA fingerprinting as clinical/biochemical methods. / Clinical/biochemical methods compare कीजिए।
24. Explain industrial fuel, glass, cement, soap, detergent and sugar processes from a chemical-engineering perspective. / Industrial chemistry processes का chemical-engineering perspective से analysis कीजिए।
25. Integrate spectroscopic characterization, stereoselective synthesis, electroanalysis and industrial chemistry into a multidisciplinary case study. / Spectroscopy, stereoselective synthesis, electroanalysis और industrial chemistry को integrate कीजिए।