Chemistry - Coordination Chemistry Question with Solution | TestHub
ChemistryCoordination ChemistryVBT,CFT(complex compound)Hard2 minQB
ChemistryHardsingle choice
Match each complex in List-I with the description in List-II. List-II descriptions combine bonding type with the number of stereoisomers of the complex. Choose the INCORRECT pairing. Treat strong-field ligands as giving low spin and use sp³d² for the outer-orbital case.
List-I | List-II |
|---|---|
[P] [Co(en)₃]Cl₃ | [1] inner-orbital, low spin, 2 stereoisomers |
[Q] [Cr(en)₂Cl₂]Cl | [2] inner-orbital, 3 unpaired electrons, 3 stereoisomers |
[R] K₃[FeF₆] | [3] outer-orbital, high spin, 1 isomer |
[S] [Pt(NH₃)(py)ClBr] | [4] square planar, dsp², 3 isomers |
Options:
Answer:
C
Solution:
P–1, Q–2 and S–4 are correct. [FeF₆]³⁻ is outer-orbital high spin with five unpaired electrons and a single isomer, so R matches 3, not 2.
Stream:JEESubject:ChemistryTopic:Coordination ChemistrySubtopic:VBT,CFT(complex compound)
⏱ 2mℹ️ Source: QB
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