N2 + 3H2 ⇌2NH3
The unit of Kc for tis reaction will be:
mol2 dm-6
mol-2 dm+6
mol dm-3
mol-1 dm+3
N2O4⇌ 2NO2
For the above reaction, which of the Following expression of Kc correct :
Kc = [ N2O4]/[ NO 2]2
Kc = [ N2O4]/ [NO 2]
Kc = [ N2O]2/[ N2O 4]
Kc = [ N2O4]/[ N O 2]