CUET QuestionsChemistryCUET UG

494 solved questions with detailed explanations

21

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

CUET UGChemistry
22

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)

CUET UGChemistry
23

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

CUET UGChemistry
24

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

CUET UGChemistry
25

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

CUET UGChemistry
26

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

CUET UGChemistry
27

Q46. Single bond is not formed by two atoms of: (a) P - P (b) N - N (c) As - As (d) Sb - Sb

CUET UGChemistry
28

Q37. Gabriel phthalimide synthesis is used for the preparation of:

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29

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:

CUET UGChemistry
30

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

CUET UGChemistry
31

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

CUET UGChemistry
32

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

CUET UGChemistry
33

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

CUET UGChemistry
34

Q42. The correct increasing order of acidic strength is: (a) C6H5COOH < C6H5CH2COOH < NO2CH2COOH < FCH2COOH (b) C6H5CH2COOH < C6H5COOH < NO2CH2COOH < FCH2COOH (c) C6H5CH2COOH < C6H5COOH < FCH2COOH < N

CUET UGChemistry
35

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

CUET UGChemistry
36

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

CUET UGChemistry
37

Q29. Which of the following compounds can be used as antifreeze in automobile radiators? (a) Methyl Alcohol (b) Glycol (c) Nitrophenol (d) Ethyl Alcohol

CUET UGChemistry
38

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

CUET UGChemistry
39

Q5. Which of the following haloalkanes reacts with aqueous KOH most easily?

CUET UGChemistry
40

Q16. The complex having lowest Δo value among the given complexes is:

CUET UGChemistry