Question

Write the name and molecular formula for carbon compound having its name suffixed with"-ol" and having two carbon atoms in its molecule with the help of a chemical equation indicate what happens when this compound is heated with excess conc. H2so4

Answer 1

Ethanol:C2H5OH

(Alcohol)

C2H4 gas is evolved by dehydration.

Answer 2

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given that the compound contains 2 carbon atom chane and has -ol at the end.

Note:-

-ol indicates the alcholic group present in a molecule and its formula is R-OH

where R is the alkyl group

NOW

chain is of 2 carbon that means its ethane and with alcoholic group so simplifying we get. ethanol (CH3 - CH2 - OH)

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Now

when Conc H2SO4 is added to an alcohol the water is voupourised and thus leaving behind alkene.

CH3-CH-OH + [conc H2SO4]====> CH2=CH2 + H20 + [conc H2SO4]

where the product is ethene.

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