Redox Reactions And Electrochemistry Ques 399

Question: Sulphur has highest oxidation state in [EAMCET 1991]

Options:

A) $ SO_2 $

B) $ H_2SO_4 $

C) $ Na_2S_2O_3 $

D) $ Na_2S_4O_6 $

Show Answer

Answer:

Correct Answer: B

Solution:

$ \overset{*,}{\mathop{SO_2}},=+4 $

$ \overset{*}{\mathop{H_2SO_4}},=+6 $

$ \overset{*}{\mathop{Na_2S_2O_3}},=+2 $

$ \overset{*}{\mathop{Na_2S_4O_6}},=+\frac{5}{2} $ .



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