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Question
Why is [NiCl4]2− paramagnetic while [Ni(CN)4]2− is diamagnetic? (Atomic number of Ni = 28)
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Solution
The compound, [NiCl4]2−, is paramagnetic since it contains two unpaired electrons.
The compound, [Ni(CN)4]2−, is diamagnetic as evident from the absence of unpaired electron
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