Question

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Why CO2, CO, MCO, and MHCO, are not considered as
organic compounds ?​

Answer 1

The carbon compounds are called Organic compounds.

CO2, CO, MCO and MHCO are not considered as organic because organic molecules don't just contain carbon. They contain hydrocarbons or carbon bonded to hydrogen. The C-H bond has lower bond energy than the carbon-oxygen bond in carbon dioxide, making carbon dioxide (CO2) more stable/less reactive than the typical organic compound. 

That's why CO2, CO, MCO and MHCO are not organic compounds

Answer 2

co2, co3, co, and hco3 all of them doesn't contain a strong carbonn-hydrogen bond.

A strong carbon-hydrogen is needed to entitle any compound as hydrocarbon. They all have a stronger carbon-oxygen bond.

Therefore thay are known as inorganic compounds rather than organic compounds.