C2H5OH + conc. H2SO4 -- 443K/dehydration---> CH2=CH2 + H2O
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5 to 8 percent acetic acid
3) when ethanol is heated with h2so4 ethene is obtained
2) when ethane is passed over copper ethanol is obtained
Ch3-ch3 Cu ---> ch3ch2oh
Carboxylic acids are organic compounds with a general chemical formula of RCOOH. The R is a side group made of carbon, hydrogen, and other atoms, and -COOH is a carboxyl group. They are polar substances and tend to have higher boiling points than water.
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The compound formed is ethene.
When Ethanol is heated with excess of concentrated H2SO4 at 443 K (170° C), it gets dehydrated to form Ethene and water.
Chemical equation -
C2H5OH --Dehydration--> C2H4 + H2O
Here, concentrated sulphuric acid acts as an dehydrating agent.Additional information :-
Molar mass of C2H6O :-
12×2 + 1×6 + 16
» 24 + 6 + 16» 46 g/mol
Molar mass of C2H4 :-
12×2 + 1×4
» 24 + 4» 28 g/molC2H4 is an unsaturated compound. C2H4 is a member of Alkene group
General Formula of Alkene :-C_nH_2n
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in ncert book it is given dear.