Student-Friendly Solutions Table
Each question is shown with its original wording from the source paper and an easier explanation designed for quick understanding.
| Q.No. | Question | Easy Solution | |
|---|---|---|---|
| 1 | The increasing order of acidity of the following compounds based on pKa values is: (A) BrCH_{2}COOH, (B) ClCH_{2}COOH, (C) FCH_{2}COOH, (D) HCOOH.Options:A. (D)<(A)<(B)<(C)B. (A)<(D)<(C)<(B)C. (B)<(A)<(D)<(C)D. (C)<(B)<(D)<(A) | Option A | The uploaded answer key marks option A as correct for this question. |
| 2 | In the following table, match the reactants given in List-I with the correct product in List-II as per the reaction of hydration of alkene under acidic condition.(A) (Reactant A) : (II) (Product II)(B) (Reactant B) : (I) (Product I)(C) (Reactant C) : (IV) (Product IV)(D) (Reactant D) : (III) (Product III)Options:A. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)B. (A)-(I), (B)-(III), (C)-(II), (D)-(IV)C. (A)-(II), (B)-(I), (C)-(IV), (D)-(III)D. (A)-( ), (B)-(IV), (C)-(I), (D)-(II) | Option C | The uploaded answer key marks option C as correct for this question. |
| 3 | Which among the following is not an Analgesic?Options:A. MorpheneB. HeroinC. CodeineD. Ranitidine | Option D | The uploaded answer key marks option D as correct for this question. |
| 4 | For S_{N}2 reaction, the increasing order of the reactivity of the following alkyl halides is: (A) CH_{3}CH_{2}CH_{2}CH_{2}Br, (B) CH_{3}CH_{2}CH(Br)CH_{3}, (C) (CH_{3})_{3}CBr, (D) (CH_{3})_{2}CHCH_{2}Br.Options:A. (A)<(B)<(C)<(D)B. (A)<(C)<(B)<(D)C. (B)<(A)<(D)<(C)D. (C)<(B)<(D)<(A) | Option D | The uploaded answer key marks option D as correct for this question. |
| 5 | The number of moles of hydrogen oxidised [given 67.2 L of H_{2} at STP] is:Options:A. 0.33 molesB. 33.3 molesC. 3.0 molesD. 1.33 moles | Option C | The uploaded answer key marks option C as correct for this question. |
| 6 | The number of moles of electrons produced in the oxidation of 67.2 L of H_{2} at STP is:Options:A. 2 molesB. 4 molesC. 1 moleD. 6 moles | Option D | The uploaded answer key marks option D as correct for this question. |
| 7 | The quantity of electricity produced in the oxidation of 67.2 L of H_{2} at STP is:Options:A. 96500 CB. 579000 CC. 193000 CD. 48250 C | Option B | The uploaded answer key marks option B as correct for this question. |
| 8 | If the entire current produced is used for the electrodeposition of Silver (at.wt. 108 g mol⻹) from Silver (I) solution, the amount of silver deposited will be:Options:A. 324 gB. 648 gC. 108 gD. 216 g | Option B | The uploaded answer key marks option B as correct for this question. |
| 9 | The source of electrical energy on the Apollo moon flight was:Options:A. Lead storage batteryB. A generator setC. Ni-Cd cellsD. H_{2}-O_{2} Fuel cell | Option D | The uploaded answer key marks option D as correct for this question. |
| 10 | Identify the incorrect statement.Options:A. Second ionisation enthalpy of Ag is greater than second ionisation enthalpy of Pd.B. Zr and Hf shares almost identical nuclear properties.C. Melting point of Mn is lower than that of Cr.D. Interstitial compounds are non-stoichiometric and neither ionic nor covalent in nature. | Option B | The uploaded answer key marks option B as correct for this question. |
| 11 | Which of the following is the correct order of second ionisation enthalpy?Options:A. V>Cr>MnB. V<Cr<MnC. V<Cr>MnD. V>Cr<Mn | Option C | The uploaded answer key marks option C as correct for this question. |
| 12 | Which of the following pair of compounds exhibits same colour in aqueous solution?Options:A. FeCl_{2}, CuCl_{2}B. VOCl_{2}, CuCl_{2}C. VOCl_{2}, FeCl_{2}D. VOCl_{2}, MnCl_{2} | Option B | The uploaded answer key marks option B as correct for this question. |
| 13 | Which metal has the highest oxidation state in the first row transition series?Options:A. CrB. FeC. MnD. V | Option C | The uploaded answer key marks option C as correct for this question. |
| 14 | Why do the actinoids exhibit higher number of oxidation states than lanthanoids?Options:A. 4f orbitals are more diffused than the 5f orbitals.B. Energy difference between 5f and 6d is less with respect to the energy difference between 4f and 5d.C. Energy difference between 5f and 6d is more with respect to the energy difference between 4f and 5d.D. Actinoids are more reactive in nature than the lanthanoids. | Option B | The uploaded answer key marks option B as correct for this question. |
| 15 | Camphor in nitrogen gas is a type of solution:Options:A. Gas-GasB. Solid-GasC. Liquid-GasD. Solid - Liquid | Option B | The uploaded answer key marks option B as correct for this question. |
| 16 | Identify the correct order of organic compounds in the following chemical reaction: [\underline{2}+Mg\frac{Dry~Ethcr}{\rightarrow\underline{2}\frac{H_{2}O}{\rightarrow\underline{2}}\frac{Cl_{2},\Delta}{\rightarrow\underline{2}}](A) CH_{3}MgBr, (B) CH_{3}Br, (C) CH_{3}Cl, (D) CH_{4}.Options:A. (B), (A), (D), (C)B. (A), (C), (B), (D)C. (B), (A), (C), (D)D. (C), (B), (D), (A) | Option A | The uploaded answer key marks option A as correct for this question. |
| 17 | Consider the following statements regarding osmotic pressure: (A) Molar mass of a protein can be determined using osmotic pressure method. (B) The osmotic pressure is proportional to the molarity. (C) Reverse osmosis occurs when a pressure larger than osmotic pressure is applied to the concentrated solution side. (D) Edema occurs due to retention of water in tissue cells as a result of osmosis.Options:A. (A), (B) and (D) onlyB. (A), (B) and (C) onlyC. (A), (B), (C) and (D)D. (B), (C) and (D) only | Option C | The uploaded answer key marks option C as correct for this question. |
| 18 | Vapour pressures of pure liquids 'A' and 'D' at 50°C are 500 mm Hg and 800 mm Hg respectively. The binary solution of 'A' and 'D' boils at 50°C and 700 mm Hg pressure. The mole percentage of 'D' in the solution is:Options:A. 33.33 mole percentB. 66.67 mole percentC. 25.75 mole percentD. 75.25 mole percent | Option B | The uploaded answer key marks option B as correct for this question. |
| 19 | For the reaction 2 A_{2}(g) + \frac{1}{4}X(g) \rightarrow 2 A_{2}X(g), volume is increased to double. If the reaction is first order with respect to X and second order with respect to A_{2}, the rate of reaction will:Options:A. Decrease by eight times of its initial valueB. Increase by eight times of its initial valueC. Increase by four times of its initial valueD. Remain unchanged | Option A | The uploaded answer key marks option A as correct for this question. |
| 20 | The total number of sigma bonds present in P_{4}O_{10} are:Options:A. 6B. 7C. 16D. 17 | Option C | The uploaded answer key marks option C as correct for this question. |
| 21 | In the electrolysis of alumina to obtain Aluminium metal, the cryolite is added mainly to:Options:A. lower the melting point of alumina.B. dissolve the alumina in the molten cryolite.C. remove the impurities of alumina.D. increase the electrical conductivity. | Option A | The uploaded answer key marks option A as correct for this question. |
| 22 | Identify the order of reaction if its rate constant is k = 2 \times 10^{-2} s^{-1}.Options:A. Zero orderB. First orderC. Second orderD. Half order | Option B | The uploaded answer key marks option B as correct for this question. |
| 23 | For a complex reaction, the order of reaction is equal to:Options:A. Sum of stoichiometric coefficients in balanced chemical reactionB. The molecularity of overall reactionC. Order of fastest step of the reactionD. The molecularity of slowest step of reaction | Option D | The uploaded answer key marks option D as correct for this question. |
| 24 | A molecule X associates as nX \rightleftharpoons (X)_{n}. Van't Hoff factor is 0.80 and the fraction of associated molecules is 0.3. The value of 'n' is:Options:A. 2B. 3C. 1D. 5 | Option B | The uploaded answer key marks option B as correct for this question. |
| 25 | The oxidation number of Co in complex [Co(en)_{3}]_{2}(SO_{4})_{3} is:Options:A. 3B. 4C. 2D. 5 | Option A | The uploaded answer key marks option A as correct for this question. |
| 26 | The correct structure of dipeptide, Gly-Ala (glycyl alanine) is:Options:A. H_{2}N-CH_{2}-CO-NH-CH(CH_{3})-COOHB. HOOC-CH_{2}-NH-CO-CH(CH_{3})-NH_{2}C. HOOC-CH(CH_{3})-NH-CO-CH_{2}-NH_{2}D. H_{2}N-CH(CH_{3})-CO-NH-CH_{2}COOH | Option A | The uploaded answer key marks option A as correct for this question. |
| 27 | The total number of ions produced from [Cr(NH_{3})_{6}]Cl_{3} in aqueous solution will be:Options:A. 2B. 3C. 4D. 5 | Option C | The uploaded answer key marks option C as correct for this question. |
| 28 | Arrange the following in decreasing order of number of molecules contained in: (A) 16 g O_{2}, (B) 16 g CO_{2}, (C) 16 g CO, (D) 16 g H_{2}.Options:A. (A), (B), (C), (D)B. (D), (C), (A), (B)C. (B), (A), (D), (C)D. (C), (B), (D), (A) | Option B | The uploaded answer key marks option B as correct for this question. |
| 29 | The Cu metal crystallises into fcc lattice with unit cell edge length 361 pm. The radius of Cu atom is:Options:A. 127 pmB. 181 pmC. 157 pmD. 108 pm | Option A | The uploaded answer key marks option A as correct for this question. |
| 30 | If 75% of a first order reaction gets completed in 32 minutes, time taken for 50% completion is:Options:A. 16 minutesB. 78 minutesC. 8 minutesD. 4 minutes | Option A | The uploaded answer key marks option A as correct for this question. |
| 31 | Which of the following compounds will be repelled when placed in an external magnetic field?Options:A. Na_{2}[CuCl_{4}]B. Na_{2}[CdCl_{4}]C. K_{4}[Fe(Cl)_{6}]D. K_{3}[Fe(CN)_{6}] | Option B | The uploaded answer key marks option B as correct for this question. |
| 32 | The spin only magnetic moment of Hexacyanidomanganate(II) ion is:Options:A. 5.90 BMB. 1.73 BMC. 4.90 BMD. 3.87 BM | Option B | The uploaded answer key marks option B as correct for this question. |
| 33 | Correct order of increasing boiling points: Pentan-1-ol, n-Butane, Pentanal, Ethoxyethane.Options:A. Ethoxyethane, Pentanal, n-Butane, Pentan-1-olB. Pentanal, n-Butane, Ethoxyethane, Pentan-1-olC. n-Butane, Pentanal, Ethoxyethane, Pentan-1-olD. n-Butane, Ethoxyethane, Pentanal, Pentan-1-ol | Option D | The uploaded answer key marks option D as correct for this question. |
| 34 | In the sequence: Phenol \\xrightarrow{Zn dust} A \\xrightarrow{CH_{3}Cl, AlCl_{3}} B \\xrightarrow{K_{2}Cr_{2}O_{7}, H_{2}SO_{4}} C \\xrightarrow{HNO_{3}, H_{2}SO_{4}} D. Identify D.Options:A. o-Nitrobenzoic acidB. p-Nitrobenzoic acidC. o,p-Dinitrobenzoic acidD. m-Nitrobenzoic acid | Option D | The uploaded answer key marks option D as correct for this question. |
| 35 | Gold number of colloids: A: 0.005-0.01, B: 0.15-0.25, C: 0.04-1.0, D: 15-25. Better protective colloid is:Options:A. AB. BC. CD. D | Option A | The uploaded answer key marks option A as correct for this question. |
| 36 | Nitration of aniline with conc. HNO_{3} and H_{2}SO_{4} at 298 K produces 47% of:Options:A. p-NitroanilineB. o-NitroanilineC. m-NitroanilineD. 2, 4-Dinitroaniline | Option C | The uploaded answer key marks option C as correct for this question. |
| 37 | Increasing order of basic strength: C_{2}H_{5}NH_{2}, (C_{2}H_{5})_{2}NH, (C_{2}H_{5})_{3}N, C_{6}H_{5}NH_{2}.Options:A. C_{2}H_{5}NH_{2} < (C_{2}H_{5})_{2}NH < (C_{2}H_{5})_{3}N < C_{6}H_{5}NH_{2}B. C_{6}H_{5}NH_{2} < (C_{2}H_{5})_{3}N < C_{2}H_{5}NH_{2} < (C_{2}H_{5})_{2}NHC. (C_{2}H_{5})_{3}N < (C_{2}H_{5})_{2}NH < C_{6}H_{5}NH_{2} < C_{2}H_{5}NH_{2}D. (C_{2}H_{5})_{2}NH < (C_{2}H_{5})_{3}N < C_{2}H_{5}NH_{2} < C_{6}H_{5}NH_{2} | Option B | The uploaded answer key marks option B as correct for this question. |
| 38 | Which compound gives Hell-Volhard-Zelinsky (HVZ) reaction?Options:A. R-CH_{2}-COOHB. R_{3}C-CHOC. R_{2}COD. H-COOH | Option A | The uploaded answer key marks option A as correct for this question. |
| 39 | Increasing order of acidic strengths: HCOOH, FCH_{2}COOH, NO_{2}CH_{2}COOH, ClCH_{2}COOH.Options:A. HCOOH < FCH_{2}COOH < NO_{2}CH_{2}COOH < ClCH_{2}COOHB. HCOOH < NO_{2}CH_{2}COOH < ClCH_{2}COOH < FCH_{2}COOHC. NO_{2}CH_{2}COOH < HCOOH < ClCH_{2}COOH < FCH_{2}COOHD. HCOOH < ClCH_{2}COOH < FCH_{2}COOH < NO_{2}CH_{2}COOH | Option D | The uploaded answer key marks option D as correct for this question. |
| 40 | Increasing order of reactivity towards nucleophilic addition: Benzaldehyde, p-Tolualdehyde, p-Nitrobenzaldehyde, Acetophenone.Options:A. Benzaldehyde...B. Acetophenone...C. Acetophenone < p-Tolualdehyde < Benzaldehyde < p-NitrobenzaldehydeD. Benzaldehyde... | Option C | The uploaded answer key marks option C as correct for this question. |
| 41 | Electrophile involved in Gatterman-Koch reaction is:Options:A. CO^{+}B. HCl + CO_{2} + AlCl_{3}C. HCO^{+}D. CO + AlCl_{3} | Option C | The uploaded answer key marks option C as correct for this question. |
| 42 | Formaldehyde undergoes Cannizzaro reaction because: (B) It does not have alpha-hydrogen atom. (D) It undergo self-oxidation and reduction on heating with concentrated alkali.Options:A. (B) and (D) onlyB. (A) and (C) onlyC. (B) and (C) onlyD. (A) and (D) only | Option A | The uploaded answer key marks option A as correct for this question. |
| 43 | In (CH_{3})_{3}C-O-CH_{3} + HI, products are CH_{3}OH and (CH_{3})_{3}CI. This is because: (B) Departure of HO-CH_{3} creates more stable carbocation. (C) Reaction follows S_{N}1 mechanism.Options:A. (B) and (D) onlyB. (B) and (C) onlyC. (A) and (D) onlyD. (A) and (C) only | Option B | The uploaded answer key marks option B as correct for this question. |
| 44 | Aniline does not undergo Friedel-Crafts reaction because: (A) Forms salt with AlCl_{3}. (C) Nitrogen acquires positive charge. (D) Nitrogen acts as strong deactivating group in the further reaction.Options:A. (A), (B) and (D) onlyB. (A), (B) and (C) onlyC. (A), (C) and (D) onlyD. (B), (C) and (D) only | Option C | The uploaded answer key marks option C as correct for this question. |
| 45 | Chlorine is ortho- and para-directing because: (A) Chlorine withdraws electrons through inductive effect. (B) Chlorine destabilises the intermediate carbocation formed during electrophilic substitution. (D) Chlorine releases electrons through resonance.Options:A. (A), (B) and (D) onlyB. (A), (B) and (C) onlyC. (A), (C) and (D) onlyD. (B), (C) and (D) only | Option A | The uploaded answer key marks option A as correct for this question. |
| 46 | In Etard reaction, the final product is:Options:A. Aromatic aldehydeB. Aromatic chlorideC. Aromatic amineD. Aromatic alcohol | Option A | The uploaded answer key marks option A as correct for this question. |
| 47 | Match List-I (Protein Structure) with List-II: (A) Specific sequence: (I) Primary (B) Folding due to H-bonding: (II) Secondary (C) Fibrous proteins: (IV) Tertiary (D) Arrangement of multiple chains: (III) Quaternary.Options:A. (A)-(I), (B)-(II), (C)-(III), (D)-(IV)B. (A)-(I), (B)-(III), (C)-(II), (D)-(IV)C. (A)-(I), (B)-(II), (C)-(IV), (D)-(III)D. (A)-(III), (B)-(IV), (C)-(I), (D)-(II) | Option C | The uploaded answer key marks option C as correct for this question. |
| 48 | Match Reagents: (A) Tollen's: (III) Ammoniacal AgNO_{3} (B) Jones: (IV) CrO_{3}-H_{2}SO_{4} (C) Lucas: (II) Conc. HCl-ZnCl_{2} (D) Fehling: (I) Rochelle salt.Options:A. (A)-(III), (B)-(IV), (C)-(II), (D)-(I)B. (A)-(IV), (B)-(III), (C)-(I), (D)-(II) | Option A | The uploaded answer key marks option A as correct for this question. |
| 49 | Match Name Reactions: (A) Swarts: (III) RX+AgF\\rightarrow R-F+AgX (B) Finkelstein: (IV) RX+NaI\\rightarrow R-I+NaX (C) Sandmeyer's: (I) (Reaction I) (D) Wurtz: (II) 2RX+2Na\\rightarrow R-R+2NaX.Options:D. (A)-(III), (B)-(IV), (C)-(I), (D)-(II) | Option D | The uploaded answer key marks option D as correct for this question. |
| 50 | Match Vitamin/Hormone with Disease: (A) Vitamin A: (II) Xerophthalmia (B) Thiamine: (III) Beri-Beri (C) Glucocorticoids: (IV) Addison's disease (D) Estradiol: (I) Menstrual cycle. | Option D | The uploaded answer key marks option D as correct for this question. |
FAQs
- Are the CUET UG 2024 questions changed here? No. The original question wording is kept as close to the source paper as possible.
- What is simplified on these pages? Only the solutions are rewritten into easier, step-based explanations for students.
- How can students use these pages? They work well for quick revision, topic recall, mock practice, and answer-checking after solving the paper.
Publishing note: This page was generated from the uploaded CUET UG 2024 Chemistry paper. A few questions in some source PDFs may contain OCR or scan artefacts; in such cases the original source material should be treated as the final reference.