$ DDT $ is

Updated On: Aug 7, 2023

$ 2, 2 $ -di ( $ p $ -chlorophenyl) $ -1,1,1 $ -trichloroethane
$ 2, 2 $ -di ( $ m $ -chlorophenyl) $ -1,1,1 $ -trichloroethane
$ 2, 2 $ -di ( $ o $ -chlorophenyl) $ -1,1,1 $ -trichloroethane
$ 2, 2- $ di ( $ p $ -chlorophenyl) $ -1,1- $ dichloroethane

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$DDT$ is a organochlorine compound whose IUPAC is $2,2$-di (p-chlorophenyl) $1,1,1$-trichloroethane.

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Ans. DDT, commonly known as dichloro-diphenyl-trichloroethane, is a member of the organochloride family of insecticides.

It is a chemical substance that was created; it does not exist in nature.
DDT appears as a crystalline, colorless solid.
One of the most contentious chemical substances in recent memory is DDT.

DDT is a chemically synthesized compound used as a pesticide and insecticide around the world. It was synthesized in the 1870s but came into general use in the late 1930s when Swiss chemist Paul Hermann Muller discovered its properties to kill insects.

In the years 1940 and 1950, it was used extensively to eradicate malaria and after that, it was used heavily in the agriculture industry.
Under Standard Temperature and Pressure (STP) DDT behaves as an odorless, tasteless crystalline solid.
DDT stands for Dichlorodiphenyltrichloroethane and its chemical formula is C14H9Cl5.
Physically it is found in crystal or powder form and it is white in color.
This chemical compound has a molar mass of 354.48 grams per mole.
DDT has a density of 0.98 to 0.99 grams per centimeter cube.
DDT has a solubility of 0.025 mg/L at 25 degree Celsius.
DDT is soluble in Ethyl ether and acetone.
The melting point of DDT is approximately equal to 381.6 kelvin.
The boiling point of DDT is approximately 260 degree Celsius and DDT starts decomposing at this temperature.
DDT was used around the world mainly for the eradication of insect-related diseases such as malaria and typhoid.
DDT became a second answer to agricultural problems.
In India DDT was used by small to big farmers in enhancing their product and protecting them from pests and insects.

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Haloalkanes and Haloarenes

The hydrocarbons such as Haloalkanes and Haloarenes are the ones, in which one or more hydrogen atoms are replaced with halogen atoms. The main difference between Haloalkanes and Haloarenes is that Haloalkanes are derived from open chained hydrocarbons, also called alkanes, and Haloarenes are derived from aromatic hydrocarbons.

Haloalkanes have hydrocarbons made up of aliphatic alkanes and one or more hydrogen atoms replaced by halogens (elements such as Chlorine, Bromine, Fluorine, Iodine, etc.) whereas, haloarenes consist of aromatic ring or rings and one or more hydrogen atoms replaced by halogens.
In haloalkanes, the halogen atom is attached to the sp³ hybridized carbon atom of the alkyl group whereas, in haloarenes, the halogen atom is attached to the sp³ hybridized carbon atom of the alkyl group.
Haloalkanes are saturated organic compounds where all the chemical bonds are attached to the carbon atom with single bonds and a single carbon atom is attached to the Halogen atom, whereas, the haloarenes differ from Haloalkanes by their method of preparation and properties.
Haloalkanes are made by aliphatic alkanes by the process of free radical halogenation, whereas, haloarenes are made by direct halogenation of aromatic rings.
Haloalkanes are odorless compounds, whereas, haloarenes have a sweet odor.
Haloalkanes precipitate in SN² substitution reactions, whereas, haloarenes do not precipitate in SN² substitution reactions.
Example of haloalkanes is CH₃Cl (Methyl Chloride) and CH₃CH₂Br (Ethyl Bromide) and the example of haloarenes is Chlorobenzene, Bromobenzene.