Chemistry - Coordination Chemistry Question with Solution | TestHub

ChemistryCoordination ChemistryVBT,CFT(complex compound)Medium2 minQB

ChemistryMediuminteger

Find the number of compound(s) which are green in color.

MnO₂, K₂MnO₄, Cr₂O₃, CuO, CuCO₃·Cu(OH)₂, FeSO₄·7H₂O

Answer:

Solution:

The color of transition metal compounds is due to $d - d$ electronic transitions, as explained by Crystal Field Theory (CFT).

The green-colored compounds among those given are K₂MnO₄, Cr₂O₃, CuCO₃⋅Cu(OH)₂, and FeSO₄⋅7H₂O.

These compounds exhibit color due to the splitting of d-orbitals in the ligand field.

MnO₂ and CuO are not green in color.

Hence, the total number of green compounds is 4.

Stream:JEESubject:ChemistryTopic:Coordination ChemistrySubtopic:VBT,CFT(complex compound)

⏱ 2mℹ️ Source: QB

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