Module 5: Uses of Organic Compounds

Why are organic compounds important?

They are widely used in fuels, medicines, disinfectants, food, perfumes, and industrial products.

What is methane commonly used for?

As fuel, in making methyl alcohol, formaldehyde, and chloroform.

What is butane commonly used for?

As LPG fuel, in lighters, and portable stoves.

What is ethylene used for?

Artificial ripening of fruits, anesthesia, and oxy-ethylene flame.

What is acetylene used for?

Oxy-acetylene welding, artificial ripening, anesthesia, and making neoprene (synthetic rubber).

What is methyl alcohol used for?

In methylated spirit, varnish, polish, fuel, and solvents.

What is ethyl alcohol used for?

In alcoholic beverages, disinfectants, solvents, perfumes, soaps, fuels, and medicines.

What is acetone used for?

Solvents for varnish, artificial silk, synthetic rubber, and some medicines.

What is acetic acid used for?

As vinegar, sauces, jelly, and laboratory reagent.

What is glucose used for?

In sweets, wine, fruit preservation, and medicines like gluconate.

What is benzene used for?

As solvent, dry cleaning agent, and mixed with petrol as fuel.

What is phenol used for?

In carbolic soap, insecticides, Bakelite, aspirin, and disinfectants.

What is benzaldehyde used for?

In perfume and color industry.

What is benzoic acid used for?

In making drugs and as fruit preservative.

What is ether used for?

As anesthesia, solvent, coolant, and in alcohol production.

What is odor in organic compounds?

The characteristic smell of a compound.

What is viscosity?

The degree of resistance of a liquid to flow.

What is volatility?

The tendency of a compound to vaporize.

What is combustibility?

The ease with which a material burns.

What is flammability?

The ability of a compound to ignite.

What is melting point?

The temperature at which a solid becomes a liquid.

What is boiling point?

The temperature at which a liquid's vapor pressure equals external pressure.

Ethene acts as a natural maturing agent of fruits. What kind of compound is it?

A characteristic gas produced in plants.

Which alkane will most likely have the highest boiling point?

Heptane.

What is the usual use of methane?

Fuel.

Which are TRUE about the use of isopropyl alcohol?

Cleaner and disinfectant.

Michael needs to remove paint from his brush. Which compound should he use?

Kerosene.

Which is NOT a common use of methane?

Antifreeze component.

Which hydrocarbon is used in disposable lighters and camping stoves?

Butane.

Which is NOT a use of formaldehyde?

Fermenting corn or molasses.

Which compounds are responsible for odors and flavors of flowers and ripe fruits?

Esters.

Marcy's car stopped because of no fuel. Which compound does she need?

Gasoline.