CUET Questions — Chemistry
494 solved questions with detailed explanations
Q31.Coagulating power of an ion for a colloidal solution depends on: (a) Its magnitude of charge only (b) Its size only (c) Its tendency to hydrate (d) Its size and magnitude of charge both
Q34. Match List-I with List-II: List-I (A) Antifreeze used in car engine (B) Starting material for picric acid (C) Wood spirit (D) By product of soap industry used in cosmetics List-II (I) Phenol (II)
Q1. Match List-I with List-II: List-I (А) Em²+/м for Zn is negative (B) Cr2+ is a reducing agent (C) V2O5 has a low melting point (D) Zr and Hf occur together in nature List-II (I) due to almost ident
Q21. Match List - I with List - II. List - I (Complex ion) (A) [CoF6]3- (B) [Co(CN)4]2- (C) [FeCl4]- (D) [Co(C2O4)3]3- List - II (Hybridisation) (I) d2sp3 (II) sp3d2 (III) sp3 (IV) dsp2 Choose the cor
Q4. Match List - I with List - II. List - I (A) Λm of KCl increases on dilution (B) Λm of CH3COOH increases on dilution (C) Λm of KCl versus (molarity) (D) Λm of CH3COOH versus (molarity)1/2 List - II
Q39. Which of the following alkyl halides will undergo SN2 reaction most readily? (a) 1-Bromo-2,2-dimethylpropane (b) 1-Bromo-2-methylbutane (c) 1-Bromobutane (d) 1-Bromo-3-methylbutane
Q46. Single bond is not formed by two atoms of: (a) P - P (b) N - N (c) As - As (d) Sb - Sb
Q37. Gabriel phthalimide synthesis is used for the preparation of:
Q26. When electric current is passed through acidified water, 448 mL of hydrogen gas at STP is collected at the cathode in 965 seconds. The current passed in amperes is:
Q20. Match List - I with List - II. List - I (A) Polyvinyl chloride (B) Urea-formaldehyde (C) Glyptal (D) Bakelite List - II (I) Phenol formaldehyde (II) Ethyleneglycol and phthalic acid (III) Vinyl c
Q23. A divalent ion of 'V' (Atomic no. 23) in aqueous solution is: (a) √24 BM (b) √15 BM (c) √12 BM (d) √3 BM
Q42. Which of the following Zwitter ion form is correct? (a) R-NH3+-CH-COO- (b) R-NH4+-CH-COO- (c) R-NH2-CH-COOH (d) R-NH2-CH-COOH (CH2)2-COOH
Q23. Match List I with List II (List I: A. (o-cresol structure), B. (catechol structure), C. (resorcinol structure), D. (quinol structure). List II: I. quinol, II. o-cresol, III. catechol, IV. resorci
Q42. The correct increasing order of acidic strength is: (a) C6H5COOH < C6H5CH2COOH < NO2CH2COOH < FCH2COOH (b) C6H5CH2COOH < C6H5COOH < NO2CH2COOH < FCH2COOH (c) C6H5CH2COOH < C6H5COOH < FCH2COOH < N
Q13. [Cu(en)2]2+ is more stable than [Cu(NH3)4]2+ (a) It is a heteroleptic complex (b) Ethylene diamine has an alkyl group (c) Copper in +2 oxidation state is more stable (d) Ligand is didentate and f
Q6. O₂N-CH(CH3)-CH3 (1) Br2/hv (2) KCN (3) H3O+ Product formed is: (a) O₂N-C₆H₄-CH(CN)-CH₃ (b) O₂N-C₆H₄-CH₂-CH₂-CH₃ (c) O₂N-C₆H₄-CH(COOH)-CH₃ (d) O₂N-C₆H₄-CH₂-CH₂-COOH
Q29. Which of the following compounds can be used as antifreeze in automobile radiators? (a) Methyl Alcohol (b) Glycol (c) Nitrophenol (d) Ethyl Alcohol
Q16. Out of the following which will not undergo SN1 reaction pathway: (a) 1-Chloro-1, 1, 1-triphenylmethane (b) 2-Iodo-2-methylpropane (c) 1-Bromo-3, 3-dimethylbutane (d) 3-Bromoprop-1-ene
Q5. Which of the following haloalkanes reacts with aqueous KOH most easily?
Q16. The complex having lowest Δo value among the given complexes is: