Chemistry · 2014
NEET 2014 · 4 May · Code P · Q70
In acidic medium, H_2 O_2 changes Cr_2 O_7^-2 to CrO_5 which has two (-O-O-) bonds. Oxidation state of Cr in CrO_5 is:
In acidic medium, $\displaystyle \mathrm{H}_2 \mathrm{O}_2$ changes $\displaystyle \mathrm{Cr}_2 \mathrm{O}_7{ }^{-2}$ to $\displaystyle \mathrm{CrO}_5$ which has two (-O-O-) bonds. Oxidation state of Cr in $\displaystyle \mathrm{CrO}_5$ is :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle +6$
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