What is the oxidation number of Cr in Cr,2 O2-7?

1.	What is the oxidation number of Cr in Cr,2 O2-7?
Answer» ANSWER: $cr2o7 = 0$ $oxidation \: state \: of \: o \: = - 2$ PUT $- 2 = o$ $cr2 = 14$ cr $= 7$ hope you LIKE it MAKE me as BRAINLISTER

Answer»

$cr2o7 = 0$

$oxidation \: state \: of \: o \: = - 2$

$- 2 = o$

$cr2 = 14$

$= 7$

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