1(xiv)
The catalyst used in Ostwald’s process is ............... .
- (a)Finely divided iron
- (b)Graphite
- (c)Vanadium pentoxide
- (d)Platinum
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The catalyst used in Ostwald’s process is platinum.
Reason — Ostwald’s process :
$4\text{NH}_3 + 5\text{O}_2 \xrightarrow[700-800 ^{\circ}\text{C}]{\text{Pt}} 4\text{NO} + 6\text{H}_2\text{O} + 21.5 \text{K cals}$