Practice assigning oxidation numbers for the main atom in these acids.
The oxidation number of S in H2SO4 is Blank 1 Question 2 +1+2+3+4+5+6+7+8 .
The oxidation number of S in H2SO3 is Blank 2 Question 2 +1+2+3+4+5+6+7+8 .
The oxidation number of N in HNO3 is Blank 3 Question 2 +1+2+3+4+5+6+7+8 .
The oxidation number of N in HNO2 is Blank 4 Question 2 +1+2+3+4+5+6+7+8 .