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Q.

Carbon monoxide is not obtained in which of the following ?

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a

Oxidation of carbon in limited supply of oxygen or air

b

Dehydration of formic acid with conc. H2SO4 at 373 K

c

Passage of steam over hot coke

d

Action of dil.HCl on calcium carbonate

answer is C.

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Detailed Solution

Calcium carbonate reacts with dilute hydrochloric acid to form calcium chloride, water and carbon dioxide gas.

CaCO3+2HClCaCl2+H2O+CO2

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