Dichromate ion treated with base |dfBlockElementJEEMain2021

JEE MAIN 2021

26-02-2021 S1

Question

Dichromate ion is treated with base, the oxidation number of Cr in the product formed is ______.

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Solution

$$ \mathrm{Cr}_2 \mathrm{O}_7^{2-}+\mathrm{OH}^{-} \longrightarrow \mathrm{CrO}_4^{2-} $$ Oxidation state of Cr in $\mathrm{CrO}_4^{2-}$ is +6

Question Tags

JEE Main

Chemistry

Easy

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