Question

Balance the equation fe2o3+o2giveszno+so2

Answer 1

Answer:

Explanation:

fe2o3+o2=feo+h2o2

this is the actual reaction

fe2o3+o2=2feo+h2o2+h2o

balance h plus by h plus

fe2o3+o2+4h+ = 2feo+h2o2+h2o

fe2o3+o2+4h+ +4e = 2feo+h2o2+h2o

above is balanced in acidic medium

if you want in basic medium

add oh- in opposite direction

fe2o3+o2+3h2o +4e = 2feo+h2o2+4oh-