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Which coordinate complex is heteroleptic (pentacarbonyliron, triamminetrinitrocobalt, tetraamminecopper, tetracyanonickelate)

The same question, asked 2 times: 9 May 2023 S1, 20 Apr 2026 S2. Every wording below, oldest first.

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  1. Question 1

    9 May 2023 S1

    67
    Which from following coordinate complexes is a heteroleptic complex?

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  2. Question 2

    20 Apr 2026 S2

    36
    Which of the following coordinate complexes is heteroleptic?

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