JEE MAIN - Chemistry (2021 - 25th February Morning Shift - No. 11)

The hybridization and magnetic nature of $${[Mn{(CN)_6}]^{4 - }}$$ and $${[Fe{(CN)_6}]^{3 - }}$$, respectively are :
sp3d2 and diamagnetic
d2sp3 and paramagnetic
sp3d2 and paramagnetic
d2sp3 and diamagnetic

Explanation

$${[Mn{(CN)_6}]^{4 - }}$$

Mn2+ = 3d5 4s0

CN– is a strong field ligand.

$$ \therefore $$ Pairing will occur.
JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Coordination Compounds Question 182 English Explanation 1

$${[Fe{(CN)_6}]^{3 - }}$$

Fe3+ = 3d54s0

CN– is a strong field ligand.

$$ \therefore $$ Pairing will occur.
JEE Main 2021 (Online) 25th February Morning Shift Chemistry - Coordination Compounds Question 182 English Explanation 2

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