CUET Questions — Chemistry — CUET UG

Q11. Extraction of gold and silver involves leaching the metal with CN ion. This is also for gold for silver

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

Q4. Which of the following statements is incorrect with respect to the use of a catalyst in the reversible reaction?

Q1. Identify the incorrect statement A. Bakelite and urea-formaldehyde resins are elastomers B. Polyamides like nylon 6, nylon 6,6 are the examples of fibers. C. Polystyrene polyvinylchloride and poly

Q1. Second most abundant element in alloy misch metal is:

Q10. Match List - I with List - II. List - I (A) Williamsons Synthesis (B) Reimer Tiemann reaction (C) Dow's process (D) Schotten Baumann reaction List - II (I) C6H5Cl + NaOH (high pressure, 350°C) (I

Q18. Presence of which of the following element in petrol inactivates the catalyst in catalytic converter? (a) Sulphur (b) Nitrogen (c) Lead (d) Carbon

Q7. [NiCl2(PPh3)2] is named as:

Q36. Predict the major product in the following reaction -N=NCI+ OH OH? Phenol

Q22. Glucose does not give reaction with which of the following?

Q13. Arrange the following compounds in decreasing order of acidity: (A) o-cresol (B) Phenol (C) m-nitrophenol (D) o-nitrophenol (E) Ethanol Choose the correct answer from the options given below: (a)

Q1. Identify the incorrect statement A. Bakelite and urea-formaldehyde resins are elastomers B. Polyamides like nylon 6, nylon 6,6 are the examples of fibers. C. Polystyrene polyvinylchloride and poly

Q1. Mischmetall consists of a lanthanoid metal (95%) and Iron (~5%) and traces of S, Ca & Al. Mischmetall used for producing bullets contains:

Q45. B-D-Deoxyribose and β-D-ribose differs from each other in configuration at: (a) C-5 (b) C-3 (c) C-4 (d) C-2

Q34. CH₃CH₂OH --(H₂SO₄, 413K)--> A. Identify "A" and mention the name of mechanism through which it is formed?

Q26. For the following oxo acids, choose the increasing order of their acidity: (A) HClO < HClO₂ < HClO₄ < HClO₃ (B) HClO₄ < HClO₂ < HClO₃ < HClO (C) HClO₃ < HClO₄ < HClO₂ < HClO (D) HClO < HClO₂ < HC

Q41. Which is not true for the fuel cell?

Q10. In which of the following molecules carbon atom marked with asterix (*) is a stereocentre or Chiral centre? (a) H-*C(Br)-OH (with an implied fourth group connected above) (b) H-*C(CH3)-C2H5 (with

Q29. The desalination of sea water plant stops working due to which of the following reasons?

Q47. How will you convert acetaldehyde to lactic acid?