Answer to Question #66492 in General Chemistry for gel

Question

Which one of the following reactions is NOT balanced?

SF4 + 3 H2O → H2SO3 + 4 HF
2 KNO3 + 10 K → 5 K2O + N2
2 CO + O2 → 2 CO2
2 SO2 + O2 → 2 SO3

Answer 1

Equation 2 KNO3 + 10 K → 5 K2O + N2 is not balanced.

The correct one would be:
2 KNO3 + 10 K → 6 K2O + N2