Q65.The coordination number and the oxidation state of the element ' E ' in the complex [E(en)2 (C2O4)]NO2 (where (en) is ethylene diamine) are, respectively, (1) 6 and 2 (2) 4 and 2 (3) 4 and 3 (4) 6 and 3
What This Question Tests
This question requires the calculation of both the coordination number and the oxidation state of the central metal ion in a given coordination complex, identifying the nature and charge of the ligands.
Concepts Tested
Formulas Used
Coordination Number = Number of donor atoms around central metal
Oxidation State + Sum of ligand charges = Overall complex charge
📚 NCERT Sections This Tests
5.23 — Give The Oxidation State, D Orbital Occupation And Coordination Number Of
Chemistry Class 11 · Chapter 5
5.23 Give the oxidation state, d orbital occupation and coordination number of the central metal ion in the following complexes: (i) K3[Co(C2O4)3] (iii) (NH4)2[CoF4] (ii) cis-[CrCl2(en)2]Cl (iv) [Mn(H2O)6]SO4
5.15 — Discuss The Nature Of Bonding In The Following Coordination Entities On The
Chemistry Class 11 · Chapter 5
5.15 Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i) [Fe(CN)6] 4– (ii) [FeF6] 3– (iii) [Co(C2O4)3]3– (iv) [CoF6] 3–
5.24 — Write Down The Iupac Name For Each Of The Following Complexes And Indicate
Chemistry Class 11 · Chapter 5
5.24 Write down the IUPAC name for each of the following complexes and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex: (i) K[Cr(H2O)2(C2O4)2].3H2O (iii) [CrCl3(py)3] (v) K4[Mn(CN)6] (ii) [Co(NH3)5Cl-]Cl2 (iv) Cs[FeCl4]
📋 Question Details
- Chapter
- Coordination Compounds
- Topic
- Oxidation State and Coordination Number
- Year
- 2008
- Shift
- Unknown
- Q Number
- Q65
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 9: Coordination Compounds
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