Difference Wiki

Ethene vs. Ethyne: What's the Difference?

Edited by Sawaira Riaz || By Sumera Saeed || Published on November 29, 2023
Ethene (C2H4) is an alkene with a double bond, while ethyne (C2H2) is an alkyne with a triple bond.

Key Differences

Ethene and ethyne are both hydrocarbons, compounds made up of hydrogen and carbon atoms. Ethene, also known as ethylene, is an alkene, characterized by a carbon-carbon double bond in its molecular structure. This double bond imparts certain chemical properties to ethene, making it reactive and a key intermediate in organic synthesis and the petrochemical industry.
Sumera Saeed
Nov 29, 2023
In contrast, ethyne, commonly referred to as acetylene, belongs to the alkyne category, distinguished by its carbon-carbon triple bond. This triple bond makes ethyne even more reactive than ethene. As a result, ethyne is often utilized in chemical synthesis and as a fuel in oxyacetylene welding and metal cutting.
Sumera Saeed
Nov 29, 2023
While both ethene and ethyne are unsaturated hydrocarbons (meaning they contain fewer hydrogens than corresponding alkanes), they differ in the degree of their unsaturation. Ethene has one double bond, while ethyne has a more unsaturated triple bond. This level of unsaturation has implications for their chemical reactivity and uses.
Sumera Saeed
Nov 29, 2023
In terms of physical properties, ethene is a colorless gas with a faintly sweet odor and is a naturally occurring plant hormone responsible for fruit ripening. Ethyne, on the other hand, has a distinct odor and is often recognized for its role in producing a high-temperature flame when burned with oxygen.
Sara Rehman
Nov 29, 2023
Although both are crucial in various industries, it's vital to differentiate them due to their distinct structural differences and subsequent chemical behaviors. For instance, while ethene is used in polymer production, like polyethylene, ethyne is essential for high-temperature applications, such as welding.
Janet White
Nov 29, 2023
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Comparison Chart

Molecular Formula

C2H4
C2H2
Sumera Saeed
Nov 29, 2023

Type of Hydrocarbon

Alkene
Alkyne
Sumera Saeed
Nov 29, 2023

Bonding

Contains a carbon-carbon double bond.
Contains a carbon-carbon triple bond.
Sumera Saeed
Nov 29, 2023

Common Name

Ethylene
Acetylene
Harlon Moss
Nov 29, 2023

Primary Uses

Organic synthesis, polymer production.
Chemical synthesis, oxyacetylene welding, metal cutting.
Sumera Saeed
Nov 29, 2023
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Ethene and Ethyne Definitions

Ethene

An unsaturated molecule with the formula C2H4.
Ethene is often polymerized to produce polyethylene.
Harlon Moss
Oct 31, 2023

Ethyne

A hydrocarbon with a triple bond.
Ethyne produces a hot flame when burned with oxygen.
Sara Rehman
Oct 31, 2023

Ethene

Also known as ethylene.
Ethene plays a role in plant ripening processes.
Janet White
Oct 31, 2023

Ethyne

A molecule used in organic synthesis.
Ethyne can be utilized as a building block in various chemical reactions.
Janet White
Oct 31, 2023

Ethene

A colorless and flammable gas.
Ethene has a slightly sweet odor when concentrated.
Sawaira Riaz
Oct 31, 2023

Ethyne

A colorless and highly flammable gas.
Ethyne has a distinct odor and is often used in welding.
Sawaira Riaz
Oct 31, 2023

Ethene

A hydrocarbon with a double bond.
Ethene is an important industrial chemical.
Janet White
Oct 31, 2023

Ethyne

An unsaturated molecule with the formula C2H2.
Ethyne is less saturated than ethene due to its triple bond.
Aimie Carlson
Oct 31, 2023

Ethene

See ethylene.
Sumera Saeed
Oct 11, 2023

Ethyne

Also known as acetylene.
Ethyne tanks are common in welding shops.
Harlon Moss
Oct 31, 2023

Ethene

The organic chemical compound ethylene. The simplest alkene, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C2H4
Sumera Saeed
Oct 11, 2023

Ethyne

See acetylene.
Sumera Saeed
Oct 11, 2023

Ethene

(organic chemistry) Any alkene derived from ethylene
Sumera Saeed
Oct 11, 2023

Ethyne

The organic compound acetylene. The simplest alkyne, a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C2H2.
Sumera Saeed
Oct 11, 2023

Ethene

Ethylene; olefiant gas.
Sumera Saeed
Oct 11, 2023

Ethyne

A colorless flammable gas used chiefly in welding and in organic synthesis
Sumera Saeed
Oct 11, 2023

Ethene

A flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
Sumera Saeed
Oct 11, 2023

Ethene

A key compound in the petrochemical industry.
Ethene is converted into various chemicals, including ethanol and vinyl acetate.
Sumera Saeed
Oct 31, 2023

FAQs

What is the structure of ethene?

Ethene consists of two carbon atoms double-bonded to each other, with each carbon also bonded to two hydrogen atoms.
Sumera Saeed
Nov 29, 2023

What are the uses of ethene?

Ethene is primarily used as a monomer in the production of polyethylene, a common plastic.
Sumera Saeed
Nov 29, 2023

Is ethene polar or non-polar?

Ethene is non-polar.
Sumera Saeed
Nov 29, 2023

What is ethene?

Ethene is a hydrocarbon with the chemical formula C2H4, also known as ethylene.
Sumera Saeed
Nov 29, 2023

Is ethene a saturated or unsaturated hydrocarbon?

Ethene is an unsaturated hydrocarbon due to the presence of a double bond.
Sawaira Riaz
Nov 29, 2023

What is the structure of ethyne?

Ethyne consists of two carbon atoms triple-bonded to each other, with each carbon also bonded to a single hydrogen atom.
Aimie Carlson
Nov 29, 2023

Is ethyne gaseous at room temperature?

Yes, ethyne is a colorless gas at room temperature.
Sara Rehman
Nov 29, 2023

Can ethyne undergo addition reactions?

Yes, due to its triple bond, ethyne can undergo addition reactions.
Sara Rehman
Nov 29, 2023

Is ethyne polar or non-polar?

Ethyne is non-polar.
Sumera Saeed
Nov 29, 2023

How is ethene produced?

Ethene is commonly produced through the steam cracking of hydrocarbons from petroleum.
Janet White
Nov 29, 2023

How is ethene named under IUPAC nomenclature?

Under IUPAC nomenclature, ethene is named as ethene itself, but it's also commonly called ethylene.
Aimie Carlson
Nov 29, 2023

What is ethyne?

Ethyne is a hydrocarbon with the chemical formula C2H2, also known as acetylene.
Sara Rehman
Nov 29, 2023

How is ethyne produced?

Ethyne is produced by the reaction of calcium carbide with water.
Sara Rehman
Nov 29, 2023

How does ethene act in plant physiology?

Ethene acts as a plant hormone, playing roles in fruit ripening, flower wilting, and other processes.
Aimie Carlson
Nov 29, 2023

Is ethyne used in organic synthesis?

Yes, ethyne is used as a building block in organic synthesis.
Sumera Saeed
Nov 29, 2023

How is ethyne named under IUPAC nomenclature?

Under IUPAC nomenclature, ethyne is named as ethyne, but it's more commonly known as acetylene.
Sumera Saeed
Nov 29, 2023

Can ethene undergo addition reactions?

Yes, due to its double bond, ethene can undergo addition reactions.
Sara Rehman
Nov 29, 2023

Is ethyne a saturated or unsaturated hydrocarbon?

Ethyne is an unsaturated hydrocarbon due to the presence of a triple bond.
Sara Rehman
Nov 29, 2023

What are the uses of ethyne?

Ethyne is widely used in welding and cutting metals due to its high flame temperature when burned in oxygen.
Sumera Saeed
Nov 29, 2023

Is ethene gaseous at room temperature?

Yes, ethene is a colorless gas at room temperature.
Harlon Moss
Nov 29, 2023
About Author
Written by
Sumera Saeed
Sumera is an experienced content writer and editor with a niche in comparative analysis. At Diffeence Wiki, she crafts clear and unbiased comparisons to guide readers in making informed decisions. With a dedication to thorough research and quality, Sumera's work stands out in the digital realm. Off the clock, she enjoys reading and exploring diverse cultures.
Edited by
Sawaira Riaz
Sawaira is a dedicated content editor at difference.wiki, where she meticulously refines articles to ensure clarity and accuracy. With a keen eye for detail, she upholds the site's commitment to delivering insightful and precise content.

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