CUET Questions — Chemistry
494 solved questions with detailed explanations
Q28. An aqueous solution of urea has a freezing point of -0.52°C. Predict the osmotic pressure of the solution at 37°C [Kf = 1.86, assuming that the molar concentration and molality are numerically eq
Q22. Glucose does not give reaction with which of the following?
Q8. ZSM-5 is a catalyst used for
Q37. You have the following substances: NH3, O2, Pt & H2O. Arrange the following equations for the preparation of N2O from these compounds. A. NH4NO3(aq) (vacc evaporation at room temp) → N2O(g) + 2H2
Q46. The correct order of reactivity for addition reaction of following carbonyl compounds with C₂H₅MgI: (I) HCHO (II) CH₃COCH₃ (III) CH₃CHO (IV) (CH₃)₃C-CHO Choose the correct answer from the options
Q19. Phenol is brominated in solvent CS2 at low temperature. The product formed are: (a) Monobromophenols (b) Dibromophenols (c) Tribromophenols (d) Tribromobenzene
Q22. C4H8O2 (Ester A) + CH3MgBr H3O+ → C4H10O (Alcohol B) The alcohol (B) react the fastest with Lucas reagent. The ester (A) & alcohol (B) are respectively:
Q45. Which of the following is the correct statement for hybridization of C-atom and number of and II bonds in the Carbonyl group? (a) Sp2, 3σ, 1 π (b) Sp, 3σ, 1 π (c) Sp3, 3σ, 1 π (d) Sp2, 2σ, 2 π
Q27. Zn (s) →Zn2+ + 2e- Above reaction at anode is found in:
Q30. Neutral or weakly alkaline KMnO₄ solution will oxidise iodide ion into: