Q54.Which of the following complex ions has electrons that are symmetrically filled in both t2g and eg orbitals? (1) [Co(NH3)6]2+ (2) [Mn(CN)6]4− (3) [CoF6]3− (4) [FeF6]3−
What This Question Tests
This question assesses the ability to apply Crystal Field Theory to determine the d-electron configuration of various coordination complexes and identify which one achieves a symmetrically filled state in both t2g and eg orbitals.
Concepts Tested
📚 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–
5.19 — [Cr(Nh3)6] 3+ Is Paramagnetic While [Ni(Cn)4] 2– Is Diamagnetic. Explain Why?
Chemistry Class 11 · Chapter 5
5.19 [Cr(NH3)6] 3+ is paramagnetic while [Ni(CN)4] 2– is diamagnetic. Explain why? 5.20 A solution of [Ni(H2O)6] 2+ is green but a solution of [Ni(CN)4] 2– is colourless. Explain. 5.21 [Fe(CN)6] 4– and [Fe(H2O)6] 2+ are of different colours in dilute solutions. Why?
📋 Question Details
- Chapter
- Coordination Compounds
- Topic
- Crystal Field Theory (CFT)
- Year
- 2015
- Shift
- 11 Apr Online
- Q Number
- Q54
- Type
- MCQ
- NCERT Ref
- Class 12 Chemistry Ch 9: Coordination Compounds
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