Ammonia Flashcards
1
Q
Haber Process
A
- 450^C
- 200 atm
- finely divided iron catalyst
2
Q
Why 450^C
A
since reaction is exothermic, low temperature must be used so as to favour forward reaction to produce more ammonia
3
Q
Uses of ammonia
A
- manufacture of fertilisers
- laundry work
4
Q
Laboratory preparation of ammonia gas
A
by heating any ammonium salt with an alkali ; ammonia displaced by its salt by alkali
