CUET QuestionsChemistryCUET UG

494 solved questions with detailed explanations

381

Q13. Which of the following is an example of buffer solution?

CUET UGChemistry
382

Q4. The main cause of basicity of oxoacids of phosphorous is:

CUET UGChemistry
383

Q14. Excess of Lead from human body can be removed by using which of the following chelating agents? (a) D-Penicillamine (b) DMG (c) Desferrioxime B (d) EDTA

CUET UGChemistry
384

Q18. Process of zone refining is used in the purification of (a) Al (b) Cu (c) Ge (d) Ag

CUET UGChemistry (Metallurgy)
385

Q38. What is the order of hydrolysis of methyl acetate in acidic medium? (a) Zero order (b) Pseudo First order (c) First order (d) Second order

CUET UGChemistry
386

Q16. Which one of the following is not an application of adsorption?

CUET UGChemistry
387

Q26. Which of the following statement is/ are correct for complex [NiCl4]2- (A) Ni has oxidation state + 2 (B) Cl is a weak field ligand (C) Compound is paramagnetic (D) dsp² hybridisation (E) Low spi

CUET UGChemistry
388

Q43. The sweet smelling compound [D] is:

CUET UGChemistry
389

Q24. Match List - I with List - II. List - I (A) Pbs → PbO (B) CaCO3 → CaO (C) ZnS → Zn (D) Cu2S → Cu List - II (I) Roasting (II) Calcination (III) Carbon reduction (IV) Self reduction Choose the corr

CUET UGChemistry
390

Q35. p-Hydroxyazobenzene is also called as (a) Yellow dye (b) Red dye (c) Orange dye (d) Violet dye

CUET UGChemistry
391

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
392

Q33. Which of the following reaction has fractional order with respect to one of the sreactants? (a) 2NO(g) + O2(g) → 2NO2(g) (b) CHCl3 + Cl2 → CCl4 + HCI (c) CH3 COOC2H5 + H2O → CH3COOH + C2H5OH (d)

CUET UGChemistry
393

Q14. In Octahedral coordination entities:

CUET UGChemistry
394

Q43. The sweet smelling compound [D] is:

CUET UGChemistry
395

Q4. The decomposition of H₂O₂ in alkaline medium, in presence of I⁻ ions occurs as follows: 2H₂O₂ (I⁻, alkaline mediuim) → 2H₂O + O₂ If the reaction occurs in the following two steps: Step 1: H₂O₂ + I

CUET UGChemistry
396

Q44. Which of the following is most reactive towards nucleophilic addition reaction? (a) Butanone (b) Propanone (c) Ethanal (d) Propanal

CUET UGChemistry
397

Q1. Second most abundant element in alloy misch metal is:

CUET UGChemistry
398

Q13. Benzene (HNO3, H2SO4) -> P (H2/Pd ethanol) -> Q (1) NaNO2/HCl (2) Cu Cl -> R. Benzene (CHCl3 / KOH) -> S (=N=C) -> T Predict the correct sequence of P, Q, R, S and T.

CUET UGChemistry
399

Q31. Which of the properties are shown by d block elements? (A) Complex formation (B) Chelating agents (C) Bleaching agents (D) Catalytic properties (E) Alloy formation Choose the correct answer from

CUET UGChemistry
400

Q17. The magnetic nature of elements depends on the presence of unpaired electrons. Identify the configuration of transition elements which shows highest magnetic moment: (a) 3d⁷ (b) 3d⁵ (c) 3d⁸ (d) 3

CUET UGChemistry