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What is the value of spin only magnetic ...

What is the value of spin only magnetic moment of anionic and cationic part of complex `[Fe(H_(2)O)_(6)]_(2)`
`[Fe(CN)_(6)]`

Text Solution

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` [Fe ( CN ) _ 6 ]^ ( - 4 ) `
` Fe ^( + 2 ) to 3d ^ 6 `
` CN^( -) to S.F.L. `
` t2 g ^( 222)eg ^( 00) `
No. of unpaired ` e ^( -) = 0 `
B.M. = 0
`[Fe ( H _2 O ) _ 6]^( + 2 ) `
` Fe ^( + 2) to 3 d ^ 6 `
` H _ 2 O to W.F.L `
` t _ (2g) ""^( 2","1","1) eg^( 1","1) `
No. of unpaired ` e ^ - = 4 `
` mu = sqrt ( 4 xx 6 ) = sqrt ( 24 ) ` B.M. = 4.9 BM
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