Laboratory Preparation of Nitrogen Gas
Laboratory Preparation of Nitrogen Gas
Designed by: Bikash Bhusal
NaNO₂ + NH₄Cl → N₂↑ + 2H₂O + NaCl
N₂
Ammonium Chloride
Tap Funnel
Delivery Tube
Sodium Nitrite
Heat
Nitrogen
Gas Jar
Water
Beehive Shelf
Trough
REACTANTS
NaNO₂ + NH₄Cl
Sodium Nitrite +
Ammonium Chloride
CONDITIONS
Gentle Heat (~70°C)
Controlled heating of
aqueous mixture
COLLECTION
Downward Displacement
N₂ rises & displaces water
in inverted gas jar
PROPERTY
Colorless, Odorless Gas
Inert, diatomic (N≡N)
78% of atmosphere