CUET QuestionsChemistryCUET UG

494 solved questions with detailed explanations

101

Q2. Which solutions will have the highest boiling point?

CUET UGChemistry
102

Q15. When dilute hydrochloric acid is added to sodium chromate solution the colour changes to:

CUET UGChemistry
103

Q14. In Octahedral coordination entities:

CUET UGChemistry
104

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

CUET UGChemistry
105

Q32. o-Nitrophenol is less soluble in water than p-nitrophenol because:

CUET UGChemistry
106

Q7. Arrange the following compounds in the order of their increasing boiling point: Pentan-1-ol, n-butane, pentanal, ethoxy ethane

CUET UGChemistry
107

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

CUET UGChemistry
108

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

CUET UGChemistry
109

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(

CUET UGChemistry
110

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

CUET UGChemistry
111

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)

CUET UGChemistry
112

Q33. In inorganic salt analysis, for the indicatory test of Cl⁻, conc. H₂SO₄ is used. This is because:

CUET UGChemistry
113

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

CUET UGChemistry
114

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-

CUET UGChemistry
115

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

CUET UGChemistry
116

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

CUET UGChemistry
117

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

CUET UGChemistry
118

Q41. Which of the following amino acid is essential? (a) Glycine (b) Glutamic acid (c) Alanine (d) Valine

CUET UGChemistry
119

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

CUET UGChemistry
120

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

CUET UGChemistry