CUET Questions — Chemistry
494 solved questions with detailed explanations
Q30. The isotope 19K42 has a half life of about 12 hours. What fraction of the initial concentration of 19K42 remains after 48 hours. (a) 1/4 (b) 1/8 (c) 1/12 (d) 1/16
Q46. Which of the following statement/s is/are correct? A. Aldeydes give positive test with Tollen's reagent. B. Ketones give positive test with Fehling's solution C. Ketones do not react with Fehling
Q40. Which of the following compound is the most acidic? (a) CH2OH-Benzene (Benzyl alcohol) (b) OH-Benzene (Phenol) (c) NO2-OH-Benzene (p-nitrophenol) (d) CH3-OH-Benzene (o-cresol)
Q8. What will be the product for the following reactions? CH₃-X --(KCN)--> A CH₃-X --(AgNO₂)--> B
Q46. Match List-I with List-II: List-I (A) Ammonia (B) Nitric Acid (C) Phosphene (D) White Phosphorus List-II (I) Rotten fish small (II) Detection of metal ions (III) Chemiluminescence (IV) Ostwald Pr
Q14. Match List I with List II List - I A. Artificial Sweetner B. Antihistamines C. Aspirin D. Antiseptics List - II I. Furacine II. Non-narcotic III. Alitame IV. Terfenadine Choose the correct answer
Q9. The IUPAC Name for the complex Hg [Co (SCN)4]
Q2. 0.01 M aqueous solutions of following salts were prepared. Their conductivity values were measured at 25°C. Which of the following will possess highest conductivity at 25°C?
Q38. Which of the following shows both, Frenkel and Schottky defect? (a) KCl (b) AgCl (c) AgBr (d) NaCl
Q30. Which of the following reagents, are used for denaturation of alcohol? (a) CuSO4 and pyridine (b) FeSO4 and CHCl3 (c) FeCl3 and pyridine (d) CuSO4 and freon