Which of the Following Equations Is $\underline{\text{ not }}$ Balanced?
A) 2Sb₂OS₂ + 10O₂

Which of the following equations is $\underline{\text{ not }}$ balanced?

A) 2Sb₂OS₂ + 10O₂ $\to$ 2Sb₂O₅ + 4SO₃
B) (NH₄) ₂Cr₂O₇ $\to$ N₂ + 4H₂O + Cr₂O₃
C) C₁₂H₂₂O₁₁ + 12O₂ $\to$ 12CO₂ + 11H₂O
D) 2NaCl + Pb(NO₃) ₂ $\to$ PbCl₂ + 2NaNO₃
E) Fe₃O₄ + 3CO $\to$ 3Fe + 3CO₂