Question

Briefly explain ethanol..

Answer 1

Answer:

Ethanol or ethyl alcohol (C2H5OH) is a clear colourless liquid, it is biodegradable, low in toxicity and causes little environmental pollution if spilt. Ethanol burns to produce carbon dioxide and water. Ethanol is a high octane fuel and has replaced lead as an octane enhancer in petrol.

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Answer 2

$\huge{ \underline{ \overline{ \mid{ \bold \pink{ANSWER - }} \mid}}}$

➡️Ethanol is also called alcohol or drinking alcohol.

It is a organic carbon compound.

➡️100% of pure ethanol is called absolute alcohol. Ethanol containing about 5% water is called rectified spirit.

$\underline{ \rm \red{</strong><strong>PHYSICAL</strong><strong> \: </strong><strong>PROPERTIES</strong><strong> \: </strong><strong>OF</strong><strong> \: </strong><strong>ETHANOL</strong><strong> - }}$

➡️It is a colourless liquid with a characteristic alcoholic smell and burning taste.

➡️It is lighter than water and is a volatile liquid having boiling point 353.37 k.

➡️It is miscible with water in all proportions and it is a good solvent.

$\underline{ \rm \blue{CHEMICAL \: PROPERTIES \: OF \: ETHANOL - }}$

➡️It is neutral in character and therefore it does not affect litmus solution.

➡️ It is highly volatile and combustible liquid. It burns with smokeless blue flame. It is a cleaner fuel as it gives only carbon dioxide and water on burning with sufficient air.

➡️ Ethanol reacts with ethanoic acid in the presence of a little concentrated sulphuric acid to form an Easter called ethyl ethanote.

➡️When ethyl alcohol is heated with excess of concentrated sulphuric acid at 443 k, it undergoes dehydration to give unsaturated hydrocarbon i.e. Ethene

$\underline{ \rm \purple{USES \: OF \: ETHANOL - }}$

➡️It is used as a clean fuel as it gives only harmless carbon dioxide and water vapour.

➡️It is used in alcoholic drinks, medical wipes and is most common antibacterial hand sanitiser.

➡️It is used in hospitals to sterilise wounds and syringes.