CUET Questions — Chemistry — CUET UG
494 solved questions with detailed explanations
Q13. Which of the following is an example of buffer solution?
Q4. The main cause of basicity of oxoacids of phosphorous is:
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
Q18. Process of zone refining is used in the purification of (a) Al (b) Cu (c) Ge (d) Ag
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
Q16. Which one of the following is not an application of adsorption?
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
Q43. The sweet smelling compound [D] is:
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
Q35. p-Hydroxyazobenzene is also called as (a) Yellow dye (b) Red dye (c) Orange dye (d) Violet dye
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)
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)
Q14. In Octahedral coordination entities:
Q43. The sweet smelling compound [D] is:
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
Q44. Which of the following is most reactive towards nucleophilic addition reaction? (a) Butanone (b) Propanone (c) Ethanal (d) Propanal
Q1. Second most abundant element in alloy misch metal is:
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.
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
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