Fe+HNO3=Fe(NO3)3+NO2+H2O

Question

Fe+HNO3=Fe(NO3)3+NO2+H2O

Answer 1

Fe + 6HNO3 = Fe(NO3)3 + 3NO2 +3H2O
Fe (0) - 3e = Fe (+3) | 1
N (+5) + 1e = N (+4) |  3