OZONE|CONTACTS PROCESS

The formation of nitric oxide by contact process N_(2) + O_(2)hArr. Delta H = 43.200 kcal is favoured by

Give the mechanism of the following reactions: (a) In lead chamber process, NO(g) is used as catalyst in the oxidation of SO_(2) to SO_(3) . (b) NO(g) catalyses the decomposition ozone to oxygen. (c) Ozone layer depletion by freon or teflon.

Match List -I (substances) with List -II (processes) employed in the manufacture of the substances and select the correct option. {:(,"List -I",,"List -II"),(,"Substances",,"Processes"),((a),"Sulphuric acid",(i),"Haber's Process"),((b),"Steel",(ii),"Bessemer's Process"),((c ),"Sodium hydroxide",(iii),"Leblanc Process"),((d),"Ammonia",(iv),"contact Process"):}