Question

CO₂ → COC → CH4 → CH3Br

Answer 1

2CO2=2CO+O2

CoO+Mg->MgO+Co

C+2H2=CH4

CH4+Br2=CH3Br+HBr

Answer 2

The sequence you provided represents a series of chemical reactions involving carbon dioxide (CO₂) and various organic compounds. Let's go through each step:

1. CO₂ (carbon dioxide): This is a colorless gas consisting of one carbon atom bonded to two oxygen atoms. It is a byproduct of various combustion processes, such as burning fossil fuels. CO₂ is a greenhouse gas that contributes to climate change.

2. COC: It seems that you intended to write CO (carbon monoxide) instead of COC. Carbon monoxide is a toxic gas formed by the incomplete combustion of carbon-containing substances. It consists of one carbon atom bonded to one oxygen atom.

3. CH₄ (methane): Methane is a colorless and odorless gas that is the primary component of natural gas. It is composed of one carbon atom bonded to four hydrogen atoms. Methane is a potent greenhouse gas, but it has a shorter atmospheric lifetime compared to CO₂.

4. CH₃Br (methyl bromide): Methyl bromide is a halogenated organic compound. It consists of one carbon atom bonded to three hydrogen atoms and one bromine atom. Methyl bromide has been used as a pesticide and fumigant, but its use has been restricted due to its ozone-depleting properties.

It's worth noting that the reactions you listed do not represent a direct and complete conversion from CO₂ to CH₃Br. In reality, numerous intermediate steps and reactions would be involved to convert CO₂ into methyl bromide. Additionally, the specific reaction conditions, catalysts, and reactants would determine the feasibility and efficiency of each step.