Uses Of Alkanes Alkenes And Alkynes Pdf

uses of alkanes alkenes and alkynes pdf

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Physical properties

Make sure that your printout includes all content from the page. If it doesn't, try opening this guide in a different browser and printing from there sometimes Internet Explorer works better, sometimes Chrome, sometimes Firefox, etc. Hydrocarbons are the simplest organic compounds, but they have interesting physiological effects. These effects depend on the size of the hydrocarbon molecules and where on or in the body they are applied. Alkanes of low molar mass—those with from 1 to approximately 10 or so carbon atoms—are gases or light liquids that act as anesthetics. Swallowed, liquid alkanes do little harm while in the stomach. The lungs become unable to expel fluids, just as in pneumonia caused by bacteria or viruses.

physical and chemical properties of alkanes, alkenes and alkynes pdf

The Reactions of Alkanes, Alkenes, and Alkynes. In the absence of a spark or a high-intensity light source, alkanes are generally inert to chemical reactions. However, anyone who has used a match to light a gas burner, or dropped a match onto charcoal coated with lighter fluid, should recognize that alkanes burst into flame in the presence of a spark. It doesn't matter whether the starting material is the methane found in natural gas,. Once the reaction is ignited by a spark, these hydrocarbons burn to form CO 2 and H 2 O and give off between 45 and 50 kJ of energy per gram of fuel consumed.

About Blog Location. This text is published under creative commons licensing, for referencing and adaptation, please click. To use physical and chemical properties to identify an unknown. Hydrocarbons having at least one triple bond between two carbon atoms are known as alkyne. Opening Essay. Alkenes form a homologous series, hence, the general formula of an alkene is stated as C n H 2n. Alkenes have important industrial uses, and also play an important role in our everyday lives.


Alkanes, Alkenes, and Alkynes. Unbranched alkenes are analogous to unbranched alkanes. Each C uses its three sp2 atomic orbitals to form the two C-H.


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Halogens, especially chlorine and bromine add on alkenes readily producing a dihalogen derivatives. Since there is very little difference between the electronegativities of carbon and hydrogen, alkanes are almost non-polar. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.

The largest database 1 of organic compounds lists about 10 million substances, which include compounds originating from living organisms and those synthesized by chemists. The number of potential organic compounds has been estimated 2 at 10 60 —an astronomically high number. The existence of so many organic molecules is a consequence of the ability of carbon atoms to form up to four strong bonds to other carbon atoms, resulting in chains and rings of many different sizes, shapes, and complexities. The simplest organic compounds contain only the elements carbon and hydrogen, and are called hydrocarbons. Even though they are composed of only two types of atoms, there is a wide variety of hydrocarbons because they may consist of varying lengths of chains, branched chains, and rings of carbon atoms, or combinations of these structures.

I agree Our site saves small pieces of text information cookies on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device. Alkanes, alkenes and alkynes are simple hydrocarbon chains with no functional groups. The simplest organic compounds are the alkanes.

22.2: Alkanes, Cycloalkanes, Alkenes, Alkynes, and Aromatics

CHE 120 - Introduction to Organic Chemistry - Textbook

Alkanes are very versatile and are being used as solvents, heating oils, fuels, in fat synthesis , in the synthesis of fatty acids by air oxidation, in the manufacture of albumen, in the transformation to olefins, etc. The latter are starting materials for the preparation of alkyl benzenes which play an important role in the synthesis of degradable detergents. The largest amount of methane produced is used for heating purposes.

The physical properties of alkenes and alkynes are generally similar to those of alkanes or cycloalkanes with equal numbers of carbon atoms. Alkenes react with a much richer variety of compounds than alkanes. The characteristic reaction of alkanes is substitution ; that of alkenes and alkynes is addition to the double or triple bond.

Alkanes, alkenes and alkynes are simple hydrocarbon chains with no functional groups. Alkanes are identified because the carbon chain has only single bonds. Common alkanes include methane natural gas , propane heating and cooking fuel , butane lighter fluid and octane automobile fuel. Alkenes have at least one double bond and alkynes have at least one triple bond. The most common alkyne is ethyne, better known as acetylene. Alkenes have the formula C n H 2n and alkynes use the formula C n H 2n


alkenes and alkynes with more than one double or triple bond are given the Alkanes: If the groups R1 – R4 bonded to the central carbon atom use these.


Alkanes, Alkenes, and Acetylenes

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Angela R.

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were once used as anesthetics and were introduced to the medical field in However As a result of the double or triple bond nature, alkenes and alkynes have The physical properties of alkenes are similar to those of the alkanes.

Leverett G.

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Acyclic Alkanes: Compound composed of only carbon and hydrogen in a 'chain- like' conformation often R is used to describe a generic alkyl group. Example.

Sibyla V.

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The flame velocities of 37 pure hydrocarbons including normal and branched alkanes , alkenes , and alkynes ; as well as benzene and cyclohexane, together with the experimental technique employed are presented.

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