CUET Questions — Chemistry
494 solved questions with detailed explanations
Q19. Match List - I with List - II. List - I (A) CHO-COOH (with [Ag(NH3)2]+ OH-) (B) N=NCl - Phenol - Azo dye (pH=9-10) (C) NO2-OH (with NaOH/Δ) (D) NO2-OH (with Zn) List - II (I) Nucleophilic substit
Q34. The amount of radioactive substance left after 75 hrs, when 100g of it is taken initially will be: (half-life of radioactive substance is 15 hrs) (a) 12.5 g (b) 6.25 g (c) 1.5625 g (d) 3.125 g
Q50. Which factors are responsible for making fluorine the strongest oxidising agent? (A) Highest electronegativity (B) High electron gain enthalphy (C) High bond dissociation enthalphy (D) Small size
Q11. Match the Items List-I and List-II: List-I (A) Instantaneous Rate (B) Average Rate (C) Mathematical expression for rate of reaction in terms of concentration of reactants (D) Rate of reaction for
Q25. Which phenomenon occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented? (A) Reverse osmosis takes place (B) Electroosmosis takes place (C) Dispersion m
Q37. Gabriel phthalimide synthesis is used for the preparation of:
Q38. Transition metal ions having zero unpaired electrons are: (A) Sc³⁺ (B) Ti³⁺ (C) Cu²⁺ (D) Zn²⁺ (E) Mn²⁺ Choose the correct answer from the options given below:
Q26. Phenol is manufactured from hydrocarbon, Cumene. Cumene is chemically:
Q50. Nitrogen family show reducing characters. Least basic amongst the following is: (a) SbH3 (b) BiH3 (c) NH3 (d) PH3
Q47. Maximum covalency of Nitrogen is: (a) 2 (b) 3 (c) 4 (d) 5