Which of the following equations represents a neutralization reaction?

A. CaCI2 + 2HCI →CI2 +CaCI 2 + H2O
B. Na2SO2 + H2SO4 → Na2SO4 + H2O2
C. H2SO4 + KOH → KHSO4 + H2 O
D. 2Na + 2H2O → 2NaOH + H2
E. CuSO4 + 2NaOH → Cu(OH)2+ Na2SO4

Correct Answer: Option B

B. Na2SO2 + H2SO4 → Na2SO4 + H2O2