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Ambidentate ligands

This type of question, asked 3 times: 6 Apr 2023, 11 Apr 2023, 9 Apr 2024. All 3 questions below, oldest first.

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  1. Question 1

    6 Apr 2023

    57
    Number of ambidentate ligands in a representative metal complex [M(en)(SCN)4]\left\lbrack M(en)(SCN)_{4} \right\rbrack is [en == ethylenediamine]
  2. Question 2

    11 Apr 2023

    37
    The set which does not have ambidentate ligand(s) is

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  3. Question 3

    9 Apr 2024

    58
    Number of ambidentate ligands among the following is______
    NO2−,SCN−,C2O42−,NH3,CN−,SO42−,H2ONO_{2}^{-},SCN^{-},C_{2}O_{4}^{2 -},NH_{3},CN^{-},SO_{4}^{2 -},H_{2}O