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Q.6 If the radius of first Bohr orbit is 0.53 Å, then the radius of the third Bohr orbit is (A) 2.12 Å (B) 4.77 Å (C) 1.59 Å (D) […]

Q.5 Among the following diagrams, the one that correctly describes a zero order reaction (X → product) is (Given: [X]o = initial concentration of reactant X; [X] = concentration of […]

Q.4 For the electrochemical reaction Cu2+(aq) + Zn(s) ⇌ Cu(s) + Zn2+(aq), the equilibrium constant at 25 °C is 1.7 × 1037. The change in standard Gibbs free energy (ΔG°) […]

Q.3 The number of possible enantiomeric pair(s) in HOOC−CH(OH)−CH(OH)−COOH is________ Tartaric acid, HOOC-CH(OH)-CH(OH)-COOH, has two chiral carbons, leading to specific stereoisomers. The number of possible enantiomeric pairs is 1 due […]

Q.2 The Diels-Alder adduct from the reaction between cyclopentadiene and benzyne is No, there is no standard Diels-Alder adduct from cyclopentadiene and benzene under typical conditions. Benzene does not act […]

Q.1 The molecule having net ‘non-zero dipole moment’ is (A) CCl4 (B) NF3 (C) CO2 (D) BCl3 Which Molecule Has a Net Non-Zero Dipole Moment? CCl4, NF3, CO2, or BCl3 […]

Q. 105 Given below is the list of animals and their respective characteristics. Animals I. Sea anemone II. Bluefly III. Starfish IV. Sponge Characteristics i. Three pairs of jointed legs […]

Q. 104 The migratory desert locust, Schistocerca gregaria, exists in two mutually exclusive forms: a shortwinged, uniformly colored, solitary insect and a long-winged, brightly colored, gregarious morph. These phenotypes depend […]

Q. 103 In an experiment involving Drosophila development, a large amount of purified bicoid mRNA was injected into the posterior end of a wild-type embryo, the resulting developing embryo will […]

Q. 102 Entamoeba histolytica is an intestinal parasite that causes dysentery in humans. This parasite resides in the isotonic environment of intestine and other tissues in the human body and […]