90. Solving a chemistry problem

90. Solving a chemistry problem

Write the reaction equations that can be used to carry out the following transformations:
A) methane → methanol → bromine
↓
acetylene→ethanal→acetic acid→acetic acid ethyl ester;
B) ethane → chloroethane → ethanol → diethyl ether
↓
carbon dioxide
Indicate whether each substance belongs to the class of organic compounds.

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