CUET Questions — Chemistry

Q24. ______ is the heaviest gas.

Q26. Which of the statements below are correct? A. Actinoid contraction is greater than lanthanoid contraction. B. The magnetic property of the actinoids are more complex than those of the lanthanoids

Q39. Which of the following compounds undergo predominantly SN2 reaction with NaOH in a polar aprotic solvent? (a) H2CO-CH2-Cl (b) H2N-CH2-Cl (c) CH3-CH2-Cl (d) O2N-CH2-Cl Choose the most most appropr

Q36. In which of the following cases there is a change in oxidation number? (a) Aqueous solution of CrO42- is acidified (b) SO2 gas is passed through acidified Cr2O3- solution (c) Cr2O72- solution is

Q6. PhCH-CH3 | Cl (+) alc.KCN →? Δ Product formed is: (a) Ph-CH-CH3 | CN (+) (b) Ph- CH CH3 | CN (-) (c) Ph - CH = CH2 (d) Ph - CH CH3 | CN (+)

Q4. Which of the following statements are not correct? A. Phenol is used to prepare analgesic drugs. B. Solubility of phenol in water is more than that of chlorobenzene. C. Phenol is neutralised by so

Q15. Sol / Charge present (A) Blood / Positive (B) Congo red / Positive (C) Gum / Negative (D) Gold sol / Positive (E) Fe(OH)3 sol / Negative Choose the correct answer from the options given below: (a

Q17. Select the incorrect statement(s) A. Surface active agents like soaps and synthetic detergents form micelles in water. B. Soaps are emulsifying agents. C. C17H35 (hydrocarbon) and - COO (Carboxyl

Q14. The vapour pressure of pure Benzene is 0.900 bar. If a nonvolatile electrolytic solid is added, vapour pressure of the solution becomes 0.200 bar. If numbers of moles of solute is 1 and solvent i

Q16. Vapour pressure of an aqueous solution of non- volatile solute which boils at 101.56°C at 25°C will be (V.P. of pure water at 25°C is 200 mmHg and Kb for water is 0.52 kg mol⁻¹) (a) 198.98 mmHg (

Q2. Match List I with List II List - I A. Mg in solid state B. MgCl2 in molten state C. Silicon with phosphorus D. Germanium with boron List - II I. p-type Semiconductor II. n-type Semiconductor III.

Q32. Which of the following is the correct formula of a colligative property? (a) P1-P1 / P1° = x1 (b) ΔΤb = Kb ×1000×W2 / M1 X W1 (c) AT = Kf ×1000 × W2 / M2 X W1 (d) π = ΔTERT

Q24. Which property is observed in an emulsion?

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

Q25. Electrical disintegration or Bredig's Arc method involves

Q40. Which of the following ion is colourless? (a) Zn2+ (b) Ti3+ (c) Mn3+ (d) Cr3+

Q49. What will be the products formed in the following equation? U(S) + 3ClF3(l)→ + (a) UF4 (g) and 3UCI (g) (b) UF6 (g) and 3CIF (g) (c) UF4 (g) and 3 CIF (g) (d) UF6 (g) and 3 UCI (g)

Q12. Major Constituent of natural gas is

Q50. Given below are the Hydrides formed by group 15 elements. Choose the correct decreasing order of basicity of the following hydrides (A) AsH3 (B) PH3 (C) NH3 (D) BiH3 (E) SbH3 Choose the correct a

Q10. In which of the following molecules carbon atom marked with asterix (*) is a stereocentre or Chiral centre? (a) H *C-Br OH (b) H *C-CH3 C2H5 H (c) OH H *C/CH3 CH3 (d) H * C-Cl H F