CUET Questions — Chemistry — CUET UG

Q29. White phosphorous shows chemiluminescence because it:

Q21. Match List - 1 with List - 11. List-I (Reaction of -N₂Cl) (A) -N₂Cl + H₃PO₂ (B) -N₂Cl + KI (C) -N₂Cl + H₂O (D) -N₂Cl + NH₃ List-II (Products) (I) Benzene (II) Iodo benzene (III) Phenol (IV) Anili

Q36. Write the IUPAC name of the following compound C6H5O(CH2)6- CH3 (a) 2-Methoxy heptane (b) 1 - Phenoxy heptane (c) 1 - Benzoyl heptane (d) Methyl benzyl ether

Q24. Which of the pair(s) are correctly matched? Colloid type (A) Liquid in solids (B) Solid in liquid (C) Solid in Gas (D) Gas in liquid (E) Liquid in Solid Example Gem stones Cell fluids Mist Pumice

Q9. For the reactions 5Br⁻(aq) + BrO₃⁻(aq) + 6H⁺(aq) → 3Br₂(aq) + 3H₂O(l) The rate of the reaction is:

Q25. What is the packing efficiency of simple cubic lattice?

Q19. C₆H₅NO₂ --(1) Fe/HCl, (2) HNO₂, (3) H₂O--> A Product 'A' is:

Q3. Which of the following processes is responsible for the formation of a Delta when river water meets the sea water?

Q24. Alum helps in purifying water by: A. Coagulation of mud particles B. Sedimentation of mud particles. C. Dialysis D. Forming true solution with water (a) A & C only (b) A & D only (c) B & C only (

Q45. NH3 is a stronger base than PH3 (a) Phosphorus is smaller in size than nitrogen (b) Nitrogen is smaller in size than phosphorus (c) PH3 does not have lone pair of electron (d) NH3 does not have l

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: