Question

Balance the following reactions by
oxidation number method​

Answer 1

Answer:

Cr2O2+2SO3-->2Cr+2SO4

Answer 2

Explanation:

Your question is wrong ;

correct question :

[tex]Cr_2O_7^(2-) +3SO_3^(2-) +8H^+ rarr 2Cr^(3+) +3SO_4^(2-)+4H_2O(l)

[\tex]

Answer is in attachment