Oxidation number of chromium in K_2Cr_2O_7 is: – InterviewSolution

1.	Oxidation number of chromium in K_2Cr_2O_7 is:
Answer» SOLUTION :`2(+1) + 2X + 7(-2) = 0` `IMPLIES 2x - 12 = 0` `implies x=6`

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