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The geometry and magnetic behaviour of the complex Ni(CO)4 are

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By Expert Faculty of Sri Chaitanya
a
square planar geometry and diamagnetic
b
tetrahedral geometry and diamagnetic
c
square planar geometry and paramagnetic
d
tetrahedral geometry and paramagnetic.

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detailed solution

Correct option is B

Ni(28):[Ar]3d84s2∵  CO is a strong field ligand, so, unpaired electrons get paired   Thus, the complex is sp3 hybridised with tetrahedral geometry and diamagnetic in nature.


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If M is the molecular weight of KMnO4, its equivalent weight will be when it is converted into K2MnO4

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