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(N/A) ProcessCatalyst$1$. Haber's process for the manufacture of ammonia: $N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$$1$. Finely divided iron

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(N/A) ProcessCatalyst$1$. Haber's process for the manufacture of ammonia: $N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$$1$. Finely divided iron,molybdenum as promoter. Conditions: $200 \ bar$ pressure and $723-773 \ K$ temperature. Now-a-days,a mixture of iron oxide,potassium oxide and alumina is used.$2$. Ostwald's process for the manufacture of nitric acid: $4NH_{3(g)} + 5O_{2(g)} \rightarrow 4NO_{(g)} + 6H_{2}O_{(g)}$; $2NO_{(g)} + O_{2(g)} \rightarrow 2NO_{2(g)}$; $4NO_{2(g)} + 2H_{2}O_{(l)} + O_{2(g)} \rightarrow 4HNO_{3(aq)}$$2$. Platinised asbestos,temperature $573 \ K$.$3$. Contact process for the manufacture of sulphuric acid: $2SO_{2(g)} + O_{2(g)} \rightarrow 2SO_{3(g)}$; $SO_{3(g)} + H_{2}SO_{4(aq)} \rightarrow H_{2}S_{2}O_{7(l)}$ (oleum); $H_{2}S_{2}O_{7(l)} + H_{2}O_{(l)} \rightarrow 2H_{2}SO_{4(aq)}$$3$. Platinised asbestos or vanadium pentoxide $(V_{2}O_{5})$,temperature $673-723 \ K$.

Give information about the utility of catalysts in industries.

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Process	Catalyst
$1$. Haber's process for the manufacture of ammonia: $N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$	$1$. Finely divided iron,molybdenum as promoter. Conditions: $200 \ bar$ pressure and $723-773 \ K$ temperature. Now-a-days,a mixture of iron oxide,potassium oxide and alumina is used.
$2$. Ostwald's process for the manufacture of nitric acid: $4NH_{3(g)} + 5O_{2(g)} \rightarrow 4NO_{(g)} + 6H_{2}O_{(g)}$; $2NO_{(g)} + O_{2(g)} \rightarrow 2NO_{2(g)}$; $4NO_{2(g)} + 2H_{2}O_{(l)} + O_{2(g)} \rightarrow 4HNO_{3(aq)}$	$2$. Platinised asbestos,temperature $573 \ K$.
$3$. Contact process for the manufacture of sulphuric acid: $2SO_{2(g)} + O_{2(g)} \rightarrow 2SO_{3(g)}$; $SO_{3(g)} + H_{2}SO_{4(aq)} \rightarrow H_{2}S_{2}O_{7(l)}$ (oleum); $H_{2}S_{2}O_{7(l)} + H_{2}O_{(l)} \rightarrow 2H_{2}SO_{4(aq)}$	$3$. Platinised asbestos or vanadium pentoxide $(V_{2}O_{5})$,temperature $673-723 \ K$.