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Question

Based on VBT, [FeCl6]3 has Cl as weak ligands. Fe is sp3d2 hybridized (outer orbital complex) having five unpaired electrons. [Fe(CN)6]3 has CN as strong ligand. Fe is d2sp3 hybridized (inner orbital complex) having only one unpaired electron. Hence, [FeCl6]3 is more paramagnetic than [Fe(CN)8]3.
If true enter 1, else enter 0.

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Solution

Based on VBT, [FeCl6]3 has Cl as weak ligands. Therefore, Fe is sp3d2 hybridized (outer orbital complex) having five unpaired electrons.
[Fe(CN)6]3 has CN as strong ligands. Therefore,Fe is d2sp3 hybridized (inner orbital complex) having only one unpaired electron. Hence, [FeCl6]3 is more paramagnetic than [Fe(CN)8]3.
Hence, the correct answer is 1.

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