CUET Questions — Chemistry
494 solved questions with detailed explanations
Q45. The boiling point of [A] observed is exceptionally high because of:
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 (
Q26. Match List I with List II List - I A. Lanthanum B. Praseodymium C. Neodymium D. Samarium List - II I. +3, +4 II. +3 III. +2, +3, +4 IV. +2, +3 Choose the correct answer from the options given bel
Q41. The product (A) is: CHO (Image of reaction: Benzaldehyde + NaCN/HCl -> A) (a) Benzene-COOH (b) Benzene-CH(OH)-CN (c) Benzene-CH2OH (d) Benzene-COOH-CN
Q7. Which of the following colligative property is associated with concentration in terms of molarity?
Q6. The substance having the same value of van't Hoff factor as that of K₄[Fe(CN)₆] is: (a) AlCl₃ (b) AlN (c) AlF₃ (d) Al₂(SO₄)₃
Q2. Which isomerism is shown by the following pairs? CH3CH2CH2OH and CH3CH2OCH3 (a) Position isomerism (b) Functional isomerism (c) Structural isomerism (d) Chain isomerism
Q17. Which one is the correct Zwitter ion of the following protein? R-CH-C-O-H | NH₂
Q42. Hydrogen fuel cell is an:
Q3. Which of the following processes is responsible for the formation of a Delta when river water meets the sea water?
Q8. Identify transition metal complexes which are not octahedral in shape. (A) [Co(NH3)6]3+ (B) [Ni(CO)4] (C) [CoCl(NH3)5]2+ (D) [CoCl2(NH3)4]+ (E) [PtCl4]2- Choose the correct answer from the options
Q9. Match List I with List II List - I A. Soda Water B. Sugar Solution C. German Silver D. Air List - II I. A solution of gas in gas II. A solution of solid in solid III. A solution of solid in liquid
Q48. At elevated temperature (~1000 K) the dominant form of sulphur is:
Q5. Which of the following haloalkanes reacts with aqueous KOH most easily?
Q23. Match List I with List II List - I A. Cr3+ B. Mn4+ C. Cu+ D. Ti4+ List - II I. d³ configuration II. d10 configuration III. Paramagnetic IV. Diamagnetic Choose the correct answer from the options
Q32. Out of the following half cells, which two half cell combination gives the largest Ecell value? A. A³⁺+ e⁻ → A²⁺ E° = +1.5V (I) B. B⁺+ e⁻ → B E° = -0.5V (II) C. C²⁺+e⁻ → C⁺ E° = +0.5V (III) D. D²
Q1. Match List - I with List - II. List - I (A) Tetracarbonylnickel(0) (B) Tetraammineaquachloridocobalt (III) chloride (C) Potassium tetrahydroxidozincate(II) (D) Dichloridobis(ethane-1,2-diamine) co
Q23. Match List - I with List - II. List - I (A) Glycosidic linkage (B) Peptide linkage (C) Nucleotide (D) Nucleoside List - II (I) Momomeric units of nucleic acid (II) Sugar-heterocyclic base combina
Q7. The edge lengths of the unit cells in terms of the radius of spheres constituting fcc, bcc & simple cubic unit cells respectively are: (a) 2√2r, 4r/√3, 2r (b) 4r/√3, 2√2r, 2r (c) 2r, 2√2r, 4r/√3 (
Q44. PH3 is a better reducing agent than NH3 because: (a) PH3 can give its lone pair of electron easily (b) Bond dissociation enthalpy of P-H is low (c) Bond dissociation enthalpy of P-H is high (d) P