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Question
Tetracyanocuprate(II) ion involves ______ hybridisation and is ______ in shape.
Fill in the Blanks
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Solution
Tetracyanocuprate(II) ion involves dsp2 hybridisation and is square planar in shape.
Explanation:
In the [Cu(CN)4]2−complex, copper is in the +2 oxidation state and uses its 3d, 4s, and 4p orbitals for hybridisation. Since cyanide (CN−) is a strong field ligand, it causes the pairing of electrons, resulting in the square planar geometry.
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