# Give One Method for Industrial Preparation and One for Laboratory Preparation of Co and Co2 Each. - Chemistry

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

#### Solution

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:

CaCO_3 + 2HCl_(aq) -> CaCl_(2(aq)) + CO_(2(g)) + H_2O_(l)

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:

Concept: Some Important Compounds of Carbon and Silicon - Carbon Dioxide
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#### APPEARS IN

NCERT Class 11 Chemistry Textbook
Chapter 11 The p-Block Elements
Q 32 | Page 325