MCQ
Following Sidgwick's rule of $EAN,$ $Co(CO)_x$ will be
  • A
    $CO_2(CO)_4$
  • B
    $CO_2(CO)_3$
  • $CO_2(CO)_8$
  • D
    $CO_2(CO)_{10}$

Answer

Correct option: C.
$CO_2(CO)_8$
c
$2 x+(-2) \times 4+(0)+(0)=-2$

$2 x=-2+8=6$

$x=+3$

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