Redox Reactions And Electrochemistry Ques 697

Question: The oxidation number of S in $ Na_2S_4O_6 $ is

Options:

A) +0.5

B) 2.5

C) +4

D) +6

Show Answer

Answer:

Correct Answer: B

Solution:

[b] $ Na_2S_4O_6:2+4x-12=0 $
$ \therefore x=\frac{10}{4}=2.5 $ Oxidation number of $ S=2.5 $



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