Chemistry · Chemical Reactions
Which one of the following is an endothermic reaction?
- 12Pb(NO3)2(s) → 2PbO(s) + 4NO2(g) + O2(g)✓
- 2N2(g) + 3H2(g) → 2NH3(g)
- 3C6H12O6(aq) + 6O2(g) → 6CO2(g) + 6H2O(l)
- 4CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
Correct answer
2Pb(NO3)2(s) → 2PbO(s) + 4NO2(g) + O2(g)
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