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 $ .
