Question

Give one method for industrial preparation and one for laboratory preparation of $CO$ and $C{O}_2$ each.

Answer 1

$\text{Laboratory preparation of carbon dioxide:}$
Calcium carbonate reacts with dil HCl to form carbon dioxide.
$CaC{O}_3+2HCl\to CaC{l}_2+C{O}_2+H_{2}O$

$\text{Industrial preparation of carbon dioxide:}$
Limestone is heated to produce carbon dioxide.
$CaC{O}_3\stackrel{heat}{\to }CaO+C{O}_2$
$\text{Laboratory preparation of carbon monoxide:}$
Formic acid is dehydrated with conc sulphuric acid at 373 .
$HCOOH\underset{conc.H_{2}S{O}_4}{\overset{373K}{\to }}{H}_{2}O+CO\uparrow$
$\text{Commercial preparation of CO:}$
Steam is passed over hot coke.
$C+H_{2}O\stackrel{473-1273K}{\to }\underset{\text{water gas}}{CO+H_2}$