Write the oxidation state,coordination number, natures of ligand magnetic property and electronic configuration in octahedral crystal field for the complex `K_4[ Mn(CN)_6].`

Explanation

` K_4[Mn(CN)_6]`
Potassium hexacyanomanganate (II)
(i) Oxodation state of manganese =+2
(ii) Coordination number =6
(iii) CN-is a strong field ligand
( iv) Magnetic moment ` mu =sqrt( n+ (n+2)) `
` =sqrt( 1(1+2) ) `
` =sqrt( 3) =1.732` BM
Electronic configuration `=d^(5) +, t _( 2g^(5))`