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Question: Ethylene dibromide is : (A)- \(C{{H}_{3}}C{{H}_{2}}Br\) (B)- \(Br-C{{H}_{2}}-C{{H}_{2}}-Br\) ...

Ethylene dibromide is :
(A)- CH3CH2BrC{{H}_{3}}C{{H}_{2}}Br
(B)- Br−CH2−CH2−BrBr-C{{H}_{2}}-C{{H}_{2}}-Br
(C)- CH3−CHBr2C{{H}_{3}}-CHB{{r}_{2}}
(D)- CH2=CHBrC{{H}_{2}}=CHBr

Explanation

Solution

Ethylene dibromide is also known as Ethylene bromide or Glycol bromide. The IUPAC name of ethylene dibromide is 1,2-Dibromoethane.

Complete step by step answer:
-Ethylene dibromoethane abbreviated as EBD, is an organobromine compound which is a dense colorless liquid with a faintly sweet odor.
-Ethylene dibromide is produced in traces in the sea by algae and kelp.
-The combustion of ethylene dibromide produces a corrosive gas that is hydrogen bromide.
-The chemical formula of ethylene dibromide is C2H4Br2{{C}_{2}}{{H}_{4}}B{{r}_{2}} or Br−CH2−CH2−BrBr-C{{H}_{2}}-C{{H}_{2}}-Br
So, the correct answer is “Option B”.

-Ethylene dibromide is produced by a classic halogen addition reaction. In this, ethylene gas is reacted with bromine.
CH2=CH2+Br2→BrCH2−CH2BrC{{H}_{2}}=C{{H}_{2}}+B{{r}_{2}}\to BrC{{H}_{2}}-C{{H}_{2}}Br

Additional Information:
-Ethylene dibromide has been used as a pesticide in soil and on various crops for ages.
-Ethylene dibromide in organic synthesis is also used as a reagent and a source of bromine to brominates carbanions and to activate magnesium for certain Grignard reagents.
-Ethylene dibromide is also used as an intermediate for the preparations of dyes, resins, waxes and gums.

Note: - Ethylene dibromide is a chemical compound that is acutely toxic, irritant to health and environmentally hazardous too.
-This chemical substance can be absorbed into the body by inhalation of its vapor through the skin and by ingestion.
- Ethylene dibromide on short-term exposure can irritate the eyes, skin, and respiratory tracts. It can also affect the livers and kidneys.
-Ethylene dibromide on long term or repeated exposure can cause skin dermatitis. This substance has carcinogenic, mutagenic, toxic, and teratogenic effects on human health. A male and female who have breathed 1,2-dibromoethane, their offsprings have shown changes in the brain and behavior. Long term exposure to EBD can cause impairment of reproduction by damaging sperm cells.