JEE MAIN - Chemistry (2019 - 8th April Evening Slot - No. 14)

The calculated spin-only magnetic moments (BM) of the anionic and cationic species of [Fe(H2O)6]2 and [Fe(CN)6], respectively, are :
2.84 and 5.92
4.9 and 0
0 and 4.9
0 and 5.92

Explanation

Compount is Fe(H2O)6]2 [Fe(CN)6]

Cation is Fe(H2O)6]2+

Anion is [Fe(CN)6]4-

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