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WRITE THE NAME AND STRUCTURAL FORMULA OF THE SECOND MEMBER OF THE HOMOLOGOUS SERIES WITH THE GENERAL FORMULA C2H2n+1OH?

Homologous Series
A Homologous Series is a group of organic chemical compounds, usually listed in order of increasing size,
that have a similar structure (and hence also similar properties) and whose structures differ only by the number of CH2 units in the main carbon chain.

CnH2n+1 OH = CnH2n+2 O
1-alcohols (e.g. of Alcohols)
The homologous series of linear alcohols with the -hydroxyl group attached to the first (=last) carbon atom
methanol (CH3OH)

1.methanol (CH3OH)
2.ethanol (C2H5OH) / CH3CH2OH other names are
ethyl alcohol
ethyl hydroxide
ethylol
hydroxyethane
1-hydroxyethane
methylcarbinol