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Hybridisation of the nickel ion in [Ni(CN)4]2-

The same question, asked 3 times: May 2021 S1, 11 May 2023 S1, 22 Apr 2025 S1. Every wording below, oldest first.

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  1. Question 1

    May 2021 S1

    71
    Hybridisation of [Ni(CN)4]2−[\text{Ni(CN)}_4]^{2-} is

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  2. Question 2

    11 May 2023 S1

    69
    Identify the type of hybridization present in Ni(CN)42−Ni(CN)_4^{2-}.

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  3. Question 3

    22 Apr 2025 S1

    64
    What type of hybridization is present in square planar geometry of complex [Ni(CN)4]2−\left\lbrack Ni(CN)_{4} \right\rbrack^{2 -}

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