11.32. Give one method for industrial preparation and one for laboratory preparation of CO and CO2 each.
11.32. Give one method for industrial preparation and one for laboratory preparation of CO and CO2 each.
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1 Answer
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Laboratory preparation of carbon monoxide:
Formic acid is dehydrated with concentrated sulphuric acid at 373 K.
HCOOH → H2O + CO↑
Commercial preparation of CO:
Steam is passed over hot coke.
C + H2O → CO + H2
Laboratory preparation of carbon dioxide:
Calcium carbonate reacts with dilute HCl to form carbon dioxide.
CaCO3 + 2HCl → CaCl2 + CO2 + H2O
Industrial preparation of carbon dioxide:
Limestone is heated to produce carbon dioxide.
CaCO3 →→CaO + CO2
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