CUET Questions — Chemistry — CUET

Q35. t99.9% with respect to t90% for a first order reaction is:

Q18. Number of ions produced on electrolysis of [Co(NH₃)₆]Cl₃ which gives 3 mol of AgCl on reacting with AgNO₃, are:

Q49. An organic compound C₃H₆O does not give a precipitate with 2,4-dinitrophenylhydrazine and also does not react with metallic sodium. It could be

Q40. From the following, choose the one which are not secondary haloalkanes: (A) 2-Bromopentane (B) 1-Bromo-3-methylbutane (C) 3-Bromopentane (D) 2-Bromo-2-methylbutane (E) 2-Bromo-3-methylbutane Choo

Q19. Phenol is brominated in solvent CS2 at low temperature. The product formed are:

Q33. In the 3d series of transition elements, the element more likely to exhibit + 1 oxidation state is:

Q20. Osmotic pressure of solution formed by mixing 50 ml of 0.2 M urea and 50 ml of 0.4 m glucose aqueous solution at 298 K will be: (R = 0.083 L atm K-1 mol-1)

Q4. A reaction takes 30 minutes to complete 50% of the reaction and takes 45 minutes to complete 75% of the reaction. The order of the reaction is:

Q2. Match List - I with List - II. List - I (A) Cheese (B) Cell fluids (C) Hair cream (D) Clouds List - II (I) Emulsions (II) Aerosol (III) Gel (IV) Sol Choose the correct answer from the options give

Which of the following will show "Tyndall Effect"? (A) Mixture of water and milk (B) Sunlight passing through a canopy of dense forest (C) Solution of copper sulphate (D) Light entering a smoke-filled