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Co-ordination Compounds
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Co-ordination Compounds
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25 Questions

1. The number of unpaired electrons in thecomplex ion [CoF 6] 3-“ is (Atomic no.: Co = 27)[2003]
2. The number of unpaired electrons in thecomplex [Cr(NH 3) 6 ]Br3 is (Atomic number Cr =24) [1999]
3. The complex ion [Co(NH 3) 6]3+ is formed bysp3d2 hybridisationHence the ion shouldpossess [1990]
4. The number of geometrical isomers of thecomplex [Co(NO2) 3 (NH 3) 3] is [1997]
5. Which of the following carbonyls will havethe strongest C-“ O bond? [2011]
6. The correct IUPAC name for [CrF 2 (en) 2 ]Clis: [2013]
7. The existence of two different colouredcomplexes with the composition of [Co(NH 3) 4Cl2]+ is due to: [2010]
8. K3[Al(C2 O4) ] 3 is called [1994]
9. Which among the following paramagnetic complex? [2013]
10. Which of the following is considered to be ananticancer species? [2004]26CuSO4 when reacts with KCNforms CuCN - which is insoluble in waterIt is soluble inexcess of KCNdue to formation of the followingcomplex [2002]
11. The d-electron configurations of Cr 2+ - Mn2+ - Fe2+ and Co2+ are d4 - d5 - d6 and d7 - respectively.Which one of the following will exhibitminimum paramagnetic behaviour? [2011]
12. Which one of the following is expected toexhibitopticalisomerism?(en=ethylenediamine) [2005]
13. Which of the following statements is correct?(Atomic number of Ni = 28) [1997]
14. Crystal field splitting energy for high spin 4 octahedral complex is: [2013]
15. The anion of acetylacetone (acac) formsCo(acac) 3 chelate with Co3+The rings of thechelate are [2013]
16. The total number of possible isomers for thecomplex compound [Cu II(NH 3) 4] [PtIICl4] [1998]
17. Which one of the following octahedralcomplexes will not show geometric isomerism?(Aand Bare monodentate ligands) [2003]
18. Of the following complex ions - which isdiamagnetic in nature? [2011]
19. Which of the following will give a pair ofenantiomorphs? [2007]
20. Which of the following complex compoundswill exhibit highest paramagnetic behaviour?(AtNo.: Ti = 22 - Cr = 24 - Co = 27 - Zn = 30)[2011]
21. The complex - [Pt(Py) (NH 3 ) BrCl] will havehow many geometrical isomers? [2011]
22. Thehypotheticalcomplexchlorodiaquotriammine cobalt (III) chloride canbe represented as [2002]
23. Which of the following may be considered tobe an organometallic compound? [1996]
24. A magnetic moment of 1.73 BMwill be shownby one among the following: [2013]
25. The d electron configurations of Cr 2+ - Mn2+ - Fe2+ and Ni2+ are 3d4 - 3d5 - 3d6 and 3d8respectivelyWhich one of the following aquacomplexeswill exhibit the minimumparamagnetic behaviour? [2007]

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