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What is the oxidation number of Cr in K...

What is the oxidation number of Cr in `K_2 CrO_4`

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Let the oxidation number of Cr in `K_2CrO_4` be x
2(+1) +x+4(-2)=0
+2+x-8=0
x=+6
Oxidation number of Cr in `K_2Cr O_4=+6`
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SUBHASH PUBLICATION-REDOX REACTIONS-Two Mark Question
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