1 YAKEEN 2.0_2023 (Live) Coordination Compound 1. Which of the following is not a double salt but it is a complex salt? (1) KCl MgCl2 6H2O (2) FeSO4 (NH4)2SO4 6H2O (3) K2SO4 Al2(SO4)3 24H2O (4) 4KCN Fe(CN)2 2. Which of the following not chelating agents? (1) Thiosulphato (2) Oxalato (3) Glycinato (4) Ethylene diamine 3. The correct charge on and co-ordination number of ‘Fe’ in K3[Fe(CN)6] is (1) +2, 4 (2) +3, 6 (3) +2, 6 (4) +3, 3 4. Trien is (1) Hexadentate, monoanionic (2) Tetradentate, neutral (3) Tetradenatate, dianion (4) Monodentate, anion 5. The oxidation number of cobalt in K[Co(CO)4] (1) +1 (2) +2 (3) –1 (4) –3 6. Which of the following is a negatively charged bidentate ligand? (1) Dimethyl glyoximato (2) Cyano (3) Ethylene diamine (4) Acetato 7. The oxidation number of Pt in [Pt(C2H4)Cl3]– is (1) +1 (2) +2 (3) +3 (4) +4 8. Which one is the most likely structure of CrCl36H2O if 1/3 of total chlorine of the compound is precipitated by adding AgNO3 to its aqueous solution: (1) CrCl3 6H2O (2) [CrCl3(H2O)3] (3H2O)3 (3) [CrCl2(H2O)4] Cl 2H2O (4) [CrCl(H2O)5]Cl2 H2O DPP-01 9. Ethylene diamine is an example of a ……… ligand: (1) Monodentate (2) Bidentate (3) Tridentate (4) Hexadentate 10. The donor sites of (EDTA)4– are?7 (1) O atoms only (2) N atoms only (3) Two N atoms and four O atoms (4) Three N atoms and three O atoms 11. Co-ordination number of platinum in [Pt(NH3)4Cl2]2+ ion is: (1) 4 (2) 2 (3) 8 (4) 6 12. Which of the following species is not expected to be a ligand? (1) NO (2) NH4+ (3) NH2CH2CH2NH2 (4) CO 13. Which of the following complexes are heteroleptic? (a) [Cr(NH3)6]3+ (b) [Fe(NH3)4Cl2]+ 4– (c) [Mn(CN)6] (d) [Co(NH3)4Cl2] (1) a, c, d (2) b, d (3) b, c (4) a, c 14. The coordination number and oxidation number of the central metal ion in the complex [Pt(en)2]+2 is:(1) C. N. = 2 O. N. = +2 (2) C. N. = 6 O. N. = +4 (3) C. N. = 4 O. N. = +4 (4) C. N. = 4 O. N. = +2 15. A reagent used for identifying nickel ion is :(1) Potassium ferrocyanide (2) Phenolphthalein (3) Dimethyl glyoxime (4) EDTA 2 Note: Kindly find the Video Solution of DPPs Questions in the DPPs Section. Answer Key 1. (4) 2. (1) 3. (2) 4. (2) 5. (3) 6. (1) 7. (2) 8. (3) 9. (2) 10. (3) 11. (4) 12. (2) 13. (2) 14. (4) 15. (3) PW Web/App - https://smart.link/7wwosivoicgd4 Library - https://smart.link/sdfez8ejd80if