Question

Give one method for industrial preparation and one for laboratory preparation of CO and CO₂ each. 

Answer 1

Caron dioxide 

In the laboratory, CO₂ can be prepared by the action of dilute hydrochloric acid on calcium carbonate. The reaction involved is as follows: 

CO₂ is commercially prepared by heating limestone. The reaction involved is as follows: 

Caron monoxide 

In the laboratory, CO is prepared by the dehydration of formic acid with conc. H₂SO₄, at 373 K. The reaction involved is as follows: 

CO is commercially prepared by passing steam over hot coke. The reaction involved is as follows: