1.

Which of the following will favour the formation of NH_3 by Haber's process ?

Answer»

increase of TEMPERATURE
increases of pressure
ADDITION of catalyst
addition of a promoter

Solution :`N_2 +3H_2 HARR 2NH-3` + HEAT. This reaction is favoured by decreases of temperature, increases of pressure, addition of catalyst and addition of promoter.


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