MCQ
Which of the following complex compound /ion obey the sidewick $EAN$ rule :-
  • A
    $K_3[Fe(CN)_6]$
  • B
    $[Fe(H_2O)_5NO]SO_4$
  • $[Fe(CO)_5]$
  • D
    $[NiCl_4]^{2-}$

Answer

Correct option: C.
$[Fe(CO)_5]$
c
$[M(en)_2(C_2O_4)]Cl$ oxidation state of $M = + 3$ Coordination number of $M = 6$ Sum of oxidation state $+$ coordination $=3 + 6 = 9$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free