CUET Questions — Chemistry

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