{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-07-03T07:17:40.820Z","dateModified":"2026-07-03T07:17:40.820Z","typicalAgeRange":"11-18","educationalLevel":"CPET","assesses":"Chemistry - coordination compounds","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"coordination compounds"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Chemistry"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"CPET"}],"name":"Quiz about coordination compounds","about":{"@type":"Thing","name":"Chemistry - coordination compounds"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About coordination compounds","text":"The best (most stable) configuration for an octahedral complex is:}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"Compare the Crystal Field Stabilization Energy (CFSE) for each configuration."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

\\(d^{10}\\)

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

\\(d^8\\) (high spin)

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

\\(d^8\\) (low spin)

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

\\(d^0\\)

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

\\(d^8\\) (low spin)

","comment":{"@type":"Comment","text":"Compare the Crystal Field Stabilization Energy (CFSE) for each configuration."},"answerExplanation":{"@type":"comment","text":"Irving-Williams stability order peaks at Ni2+ (d8), confirming maximum CFSE among common ions. Mn2+(d5) and Zn2+(d10) sit at low stability ends (zero CFSE).\\[\\boxed{d^8}\\]"}}}]}

The best (most stable) configuration for an octahedral complex is:

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The Correct Option is C

Solution and Explanation

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