MCQ
Which of the following order is not correct ?
  • A
    $[Co(H_2O)_6]^{+2} < [Fe(H_2O)_6]^{+3} < [Fe(CN)_6]^{-3}$   ${\Delta _0}$ order
  • B
    $[Fe(CN)_6]^{-4} > [Fe(CN)_6]^{-3}$ $Fe-C$ Bond length
  • C
    $CN^-< CO$                   $\pi  - $ accepting tendency
  • $C_2H_4 > K[PtCl_3(C_2H_4)]$   $C-C$ bond length

Answer

Correct option: D.
$C_2H_4 > K[PtCl_3(C_2H_4)]$   $C-C$ bond length
d

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