Chemistry - Coordination Chemistry Question with Solution | TestHub

ChemistryCoordination ChemistryMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasynumerical

The difference in the number of unpaired electrons in ${Co}^{2 +}$ ion in its high-spin and low-spin octahedral complexes is -----.

Answer:

2.00

Solution:

${Co}^{2 +} \Rightarrow [Ar] 3 d^{7}$
High-spin complex:

3 unpaired electrons
Low-spin complex:

1 unpaired electron
$∴$ Difference $= 3 - 1 = 2$

Stream:NTA_ABHYASSubject:ChemistryTopic:Coordination ChemistrySubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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