1.

Ethanol is prepard industrialy by

Answer»

Hydration of ehylene
Fermentation of sugars
Both the above
None of above

Solution :Hydration of alkenes
`CH_(2)=CH_(2)+overset(+)H"H"Soverset(-)(O_(4))to CH_(3)-CH_(2)-HSO_(4)`
`CH_(3)-CH_(2)HSO_(4)underset("boil")overset(H_(2)O)to CH_(3)-CH_(2)-OH+H_(2)SO_(4)`
Fermentation of sugars
`C_(12)H_(22)O_(11)+H_(2)O overset("INVERTASE")underset("Glucose")(C_(6)H_(12)O_(6))+ underset("FRUCTOSE")(C_(6)H_(12)O_(6))`
`underset("Glucose or Fructose")(C_(6)H_(12)O_(6))overset("ZYMASE")to C_(2)H_(5)OH + 2CO_(2)`


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