CUET Questions — Chemistry — CUET UG
494 solved questions with detailed explanations
Q2. Which solutions will have the highest boiling point?
Q15. When dilute hydrochloric acid is added to sodium chromate solution the colour changes to:
Q14. In Octahedral coordination entities:
Q6. 20 g of binary electrolyte (Molecular mass = 100) are dissolved in 500 g of water. The freezing point of the solution is -0.74°C and kf is 1.86 K kg mol-1. The degree of ionisation of electrolyte
Q32. o-Nitrophenol is less soluble in water than p-nitrophenol because:
Q7. Arrange the following compounds in the order of their increasing boiling point: Pentan-1-ol, n-butane, pentanal, ethoxy ethane
Q46. Match List-I with List-II: List-I (A) Ammonia (B) Nitric Acid (C) Phosphene (D) White Phosphorus List-II (I) Rotten fish smell (II) Detection of metal ions (III) Chemiluminescence (IV) Ostwald Pr
Q3. Match List-I with List-II: List-I (A) Diamagnetic solid (B) Ferromagnetic solid (C) Antiferomagnetic solid (D) Ferrimagnetic solid List-II (I) CrO2 (II) Fe304 (III) NaCl (IV) MnO Choose the correc
Q13. Match the ores in List-I with their chemical composition in List-II: List-I (A) Kaolinite (B) Siderite (C) Malachite (D) Calamine List-II (I) FeCO3 (II) ZnCO3 (III) [Al2(OH)4Si2O5] (IV) CuCO3.Cu(
Q5. If time taken for a first order reaction to get 90% complete is 24 min, its t99.9% will be: (a) 240 min (b) 48 min (c) 120 min (d) 72 min
Q33. Match List I and with List II (List I: Complex ions A. [CoCl(NH3)5]2+, B. [Co(NH3)5(H2O)]3+, C. [Co(NH3)6]3+, D. [Co(CN)6]3-. List II: Wavelength λ I. 500 nm, II. 535 nm, III. 475 nm, IV. 310 nm)
Q33. In inorganic salt analysis, for the indicatory test of Cl⁻, conc. H₂SO₄ is used. This is because:
Q5. The relative reactivity order of following halides towards SN1 reaction is: (I) CH₃-C(CH₃)₂-Cl (II) CH₃-CH₂-Cl (III) CH₃Cl (IV) Ph₂CHCl
Q47. Structure of Brady's reagent is (a) H2NNH-NO2/NO2 (2,4-dinitrophenylhydrazine, NO2 at ortho and meta) (b) H2NHN-NO2/NO2 (2,4-dinitrophenylhydrazine, NO2 at ortho and para) (c) H2NNH-NO2/NO2 (3,5-
Q49. Match List - I with List - II. List - I (A) SF₄ (B) BrF₃ (C) BrO₃⁻ (D) XeOF₄ List - II (I) Bent 'T' (II) Pyramidal (III) Seesaw (IV) Square pyramidal Choose the correct answer from the options gi
Q5. According to the Raoult's law, vapour pressure of a solution is directly proportional to: (a) Mole fraction (b) Part per million (c) Mass percentage (d) Molality
Q50. Choose the correct answer from the options given below: (A) Toluene to Benzaldehyde (Etard reaction) (B) RCOCl to RCHO (Rosenmund reduction) (C) Ketone to Alkane (Clemmensen reduction) (D) Ketone
Q41. Which of the following amino acid is essential? (a) Glycine (b) Glutamic acid (c) Alanine (d) Valine
Q49. Carboxylic acid do not give the characteristic reaction of carbonyl group because: (a) the oxygen atom of the OH group does not contain lone pair of electrons (b) carbonyl carbon of carboxyl grou
Q33. Which of the following sols are correctly matched with their corresponding charges? (A) Cr(OH)3 sol: negatively changed sol (B) TiO2 sol: positively charged sol (C) CdS sol: positively charged so