JEE MAIN - Chemistry (2022 - 24th June Morning Shift - No. 17)
The difference in oxidation state of chromium in chromate and dichromate salts is ___________.
Answer
0
Explanation
Chromate ion $\rightarrow \mathrm{CrO}_{4}^{2-}$, oxidation state of $\mathrm{Cr}=+6$
Dichromate ion $\rightarrow \mathrm{Cr_2O}_{7}^{2-}$, oxidation state of $\mathrm{Cr}=+6$
$\therefore $ Difference in oxidation state $=$ zero
Dichromate ion $\rightarrow \mathrm{Cr_2O}_{7}^{2-}$, oxidation state of $\mathrm{Cr}=+6$
$\therefore $ Difference in oxidation state $=$ zero
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