Easy INTEGER +4 / -1 PYQ · JEE Mains 2022

The difference in oxidation state of chromium in chromate and dichromate salts is ___________.

Answer (integer) 0

Solution

Chromate ion $\rightarrow \mathrm{CrO}_{4}^{2-}$, oxidation state of $\mathrm{Cr}=+6$<br/><br/> Dichromate ion $\rightarrow \mathrm{Cr_2O}_{7}^{2-}$, oxidation state of $\mathrm{Cr}=+6$ <br/><br/>$\therefore $ Difference in oxidation state $=$ zero

About this question

Subject: Chemistry · Chapter: d and f Block Elements · Topic: Properties of Transition Metals

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