1.

For the complex,[Co(NH_(3))_(5)CO_(3)]CIO_(4)the coordination number,oxidationnumber,of d-electronsand number of unopaired electronson themetalare, respectively

Answer»

6,3,6,0
7,2,7,1
7,1,6,4
6,3,6,4

Solution :Coordiantion number of Co in
` [Co(NH_(3))_(5)CO_(3)]CIO_(4) = 6 `
Oxidation numberof Co in ` [Co(NH_(3))_(5)CO_(3)]^(+)`
` Rightarrowx -2 = +1Rightarrowx = + 3 `
` Co^(3+) (Z = 27) : 3d^(6)`
Number of d-electrons = 6
` (##MTG_WB_JEE_CHE_MTP_01_E02_032_S01.png" width="80%">


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