The oxidation number of in is: — Redox Reactions and Volumetric Analysis Chemistry Question

💡 Solution & Explanation

$CrO_5$ has a butterfly structure with two peroxide linkages ($-O-O-$) and one oxo group ($=O$). <br>Calculation: $x + 4(-1) + 1(-2) = 0 \Rightarrow x - 6 = 0 \Rightarrow x = +6$.