Oxidation number of in (Caro's acid) is: — Redox Reactions and Volumetric Analysis Chemistry Question
Question
Oxidation number of $S$ in $H_2SO_5$ (Caro's acid) is:
Answer: B
💡 Solution & Explanation
$H_2SO_5$ contains one peroxide linkage ($O-O$). <br>Structure: $HO-SO_2-O-OH$. <br>Calculation: $2(+1) + x + 3(-2) + 2(-1) = 0 \Rightarrow 2 + x - 6 - 2 = 0 \Rightarrow x = +6$.
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