MCQ
In acidic medium, $H_2O_2$ changes $Cr_2O_7^{-2}$ to $CrO_5$ which has two $(-O-O)$ bonds. Oxidation state of $Cr$ in $CrO_5$ is
  • A
    $5$
  • B
    $3$
  • $6$
  • D
    $10$

Answer

Correct option: C.
$6$
c
$\mathrm{CrO}_{5}$ has $2$ peroxy linkage.

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