MHT CET 2022 Chemistry question

What type of geometry and magnetic nature is present in a complex ?

(A)Square planar, diamagnetic
(B)Square planar, Paramagnetic
(C)Tetrahedral, ParamagneticCorrect
(D)Tetrahedral, diamagnetic

Answer: (C)

Solution

Ni is , so is . is a weak-field ligand and cannot force the electrons to pair up, so no orbital is vacated for hybridisation. The metal therefore uses one and three orbitals ( hybridisation), giving a tetrahedral shape. The

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Question ID VK-095755