STANDARDChemistry-Oxidation States
STANDARD Chemistry Peroxides MCQ Question
Type: MCQ-conceptual-Medium
Oxidation state of S in H₂S₂O₈ is
A
+6
B
+7
C
+8
D
0
Correct Answer
Option A
Detailed Explanation
Two oxygen atoms are involved in peroxide linkage, hence oxidation number will be -1 (each). H₂S₂O₈ : 2(+1) + 2(x) + 2(−1) + 6(−2) = 0 ⇒ x = +6
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