MCQ
Which of the following is in correctly matched complex ?

Complex   ||   Oxidation and number   ||   Electronic configuration

  • A
    $K_3[Co(C_2O_4)_3]$   ||   $+3$   ||   $t_{2g}^6\,e{g^o}$
  • $(NH_4)_2[CoF_4]$   ||   $+2$   ||   $t_{2g}^5\,e{g^o}$
  • C
    $Cis[Cr(en)_2Cl_2]Cl$   ||   $+3$   ||   $t_{2g}^3\,e{g^o}$
  • D
    $[Mn(H_2O)_6]SO_4$   ||   $+2$   ||   $t_{2g}^3\,e{g^2}$

Answer

Correct option: B.
$(NH_4)_2[CoF_4]$   ||   $+2$   ||   $t_{2g}^5\,e{g^o}$
b

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