Author: admin

46. In the ¹H NMR spectrum, which one of the following compounds will show a triplet? Which Compound Will Show a Triplet in the ¹H NMR Spectrum? Correct Answer: Option […]

45. Which one of the following statements is correct? (A) BF3 is a stronger Lewis acid than BI3. (B) CO and CN− are good π-accepting ligands. (C) cis-Diamminedichloroplatinum(II) has zero […]

44. Match the entries in Group I with those in Group II. Group I P) Proline Q) Oxytocin R) Aspartame S) Penicillin Group II 1) Artificial sweetener 2) Cyclic amino […]

43. The achiral molecules among the following (I, II, III and IV) are: (A) I and III (B) II and IV (C) III and IV (D) I and IV Achiral […]

42. The standard EMF of a cell, in volts, involving the following reaction at 298 K is _____, correct to two decimal places. 2Ag+(aq) → Ag(s) + Ag2+(aq) Given: Ag+(aq) […]

41. The concentration of NaCl, in mM, formed at the stoichiometric equivalence point when 10 mL of 0.1 M HCl solution is titrated with 0.2 M NaOH solution is _____, […]

40. The total number of lone pairs of electrons in NO2F is _____. Total Number of Lone Pairs of Electrons in NO2F Correct Answer: 8 The total number of lone […]

39. The reaction of (R)-2-bromobutane with CN⁻ proceeds by: (A) Retention of configuration (B) Inversion of configuration (C) Formation of CH₂=CH(CH₂CH₃) (D) Formation of (S)-2-methylbutanenitrile Reaction of (R)-2-Bromobutane with CN⁻ […]

38. BF3 reacts readily with: (A) C5H5N (B) SnCl2 (C) SO3 (D) (C5H5N)-SnCl2 BF₃ Reacts Readily With Which Compound? Detailed Lewis Acid-Base Explanation Correct Answer: Option (A) C5H5N Why Does […]

37. Among the following species, the metal center that has the highest number of unpaired electrons is _____. (A) VCl4 (B) Ni(CO)4 (C) [AuCl4]− (D) [CdBr4]2− Which Metal Center Has […]