ElectrochemistryHard

Question

The oxidation number of sulphur in H₂S₂O₇ is :

Options

A.+ 2

B.+ 6

C.+ 4

D.+ 8

Solution

Oxidation number of sulphur in H₂S₂O₇ can be calculated as follows: 2 + 2x - 14 = 0
2x = 14 - 2 = 12
x = = 6

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