CUET Questions — Chemistry

Q45. Which of the following is the correct statement for hybridization of C-atom and number of and II bonds in the Carbonyl group?

Q39. The role of a catalyst is to change: (a) Gibbs energy of reaction (b) Enthalpy of reaction (c) Activation energy of reaction (d) Equilibrium constant

Q42. Converting [A] into [C] is called:

Q27. Identify product 'A' in the reaction shown below: [Image shows Aniline reacting with (CH3CO)2O/Pyridine, then with Br2, CH3COOH, to form 'A'.] (a) p-bromoaniline (b) N-(4-bromophenyl)acetamide (c

Q16. [Image shows a CH2=CH-CH2-X structure] These structures represent which particular kind of halides:

Q27. The electrochemical cells Zn|Zn2+||Cu2+|Cu and Fe|Fe2+||Cu2+| Cu are connected in series, What will be the net emf of the cell at 25°C? Given: E° of Zn2+|Zn = -0.76V E° of Cu2+| Cu = +0.34 V E° o

Q15. Choose the incorrect statement. (a) In endothermic reaction reactant molecules have lower energy than product molecules (b) Energy of activated complex is higher than the energy of reactants (c)

Q41. The intermediate compound [A] is:

Q35. Which of the following curves represent a first order reactions? (Graph images shown: (a) t1/2 vs initial concentration, horizontal line; (b) concentration vs time, linear decreasing; (c) 1/conce

Q44. Optically inactive amino acid from the following is: (a) Valine (b) Glycine (c) Alanine (d) Proline