MCQ
Which element can have oxidation state from $4 $ to $6 $?
  • A
    $Fe$
  • B
    $Mg$
  • C
    $Co$
  • $Cr$

Answer

Correct option: D.
$Cr$
d
The element that can have oxidation state from $4$ to $6$ is chromium, $Cr$. Its oxidation state varies from $+1$ to $+6 .$

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