Redox Reactions And Electrochemistry Ques 435

Question: Sulphur has lowest oxidation number in [EAMCET 1993]

Options:

A) $ H_2SO_3 $

B) $ SO_2 $

C) $ H_2SO_4 $

D) $ H_2S $

Show Answer

Answer:

Correct Answer: D

Solution:

$ \overset{*}{\mathop{H_2SO_3}},=+4 $ ;

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

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

$ \overset{,*}{\mathop{H_2S}},=-2 $ .



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