How would you bring about the following conversions ? Name the process and write the reaction involved.
(a) Ethanol to ethene , (b) Propanol to propanoic acid
Write the reactions.

Explanation

(a) `underset("Ethanol")(CH_(3)CH_(2)OH)underset(160^(@)-170^(@)C)overset("Conc."H_(2)SO_(4))toCH_(2)=CH_(2)+H_(2)O`
The name of the reaction dehydration.
(b) `underset("Propanol")(CH_(3)CH_(2)CH_(2)-)underset("heat")overset("Alk".KMnO_(4))tounderset("Propanoic acid")(CH_(3)CH_(2)COOH)`
The name of the reaction is oxidation reaction.