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the flammability of alkanes decreases as the hydrocarbon chains increase in length
their evapouration rates decrease as longer chained molecules have higher boling points so temperatures must be high for them to evaporate therefore there is no fumes or vapours for longer chained alkanes at room temp like nonane and so on these hydrocarbons need higher temp to produce vapours n therefore will not burn with just a match
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What causes flammability to increase or decrease?
Flammability increases with factors like increased oxygen levels, presence of flammable materials, or higher temperatures. Flammability may decrease with factors like the presence of fire retardants, lack of oxygen, or lower temperatures.
In Chemistry what does Alkenes mean?
Alkenes are hydrocarbons containing carbon-carbon double bonds. There are several different names for alkenes. Some examples are butane, pentene and octadiene.
What are unsymmetrical alkenes?
Unsymmetrical alkenes is molecule which is an pair of ligands. The molecule has doubly bonded carbon.
What is a material's ability to burn in the presence of oxygen?
Thermability
Functional group of alkenes?
The functional group of alkenes is the carbon-carbon double bond. This double bond is responsible for the unsaturation in alkenes, making them more reactive than alkanes. Alkenes are commonly involved in addition reactions due to the presence of this functional group.
How does the flammability of a hydrocarbon change as its carbon length increases?
When the chain length of carbon increase the flammability decrease.
What causes flammability to increase or decrease?
Flammability increases with factors like increased oxygen levels, presence of flammable materials, or higher temperatures. Flammability may decrease with factors like the presence of fire retardants, lack of oxygen, or lower temperatures.
Why alkenes are less reactive than alkenes?
Alkenes are less reactive than alkenes because the π bond in alkenes is stronger and less polarizable than the σ bond in alkenes. This makes breaking the π bond in alkenes more energy-demanding, leading to lower reactivity compared to alkenes.
Are alkenes electron withdrawing or donating?
Alkenes are electron donating.
Is a chemical properties an flammability or density?
Flammability and density are examples of chemical properties. Chemical properties describe how a substance interacts with other substances, such as its ability to burn (flammability) or its mass per unit volume (density).
Who found alkenes?
Alkenes were first discovered by the French chemist Théophile-Jules Pelouze in 1834. He isolated the first alkene, ethylene, by heating ethanol with sulfuric acid.
What are the key differences between terminal alkenes and internal alkenes?
Terminal alkenes have a double bond at the end of the carbon chain, while internal alkenes have a double bond located within the carbon chain. This difference in double bond placement affects the reactivity and properties of the alkenes.
What is the flammability of wood?
flammability is how easily something can catch fire
Is flammability a physical property?
Flammability is a physical chemical property of materials.Flammability is a chemical property.
What is the difference in acidity between alkynes, alkenes, and alkanes?
Alkynes are more acidic than alkenes and alkanes. Alkenes are more acidic than alkanes.
What is the term for a materials ability to burn in the presence of oxygen?
Flammability
In Chemistry what does Alkenes mean?
Alkenes are hydrocarbons containing carbon-carbon double bonds. There are several different names for alkenes. Some examples are butane, pentene and octadiene.
