What is the homologous series of alkynes?

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What is the homologous series of alkynes?

Homologous Series. Homologous Series. A series of carbon compounds in which same functional group substitutes the hydrogen atom is called a homologous series. These compounds have similar chemical properties due to the addition of same kind of functional group throughout the chain.

Examples

Q. What are two properties of homologous series?

CHARACTERISTICS OF HOMOLOGOUS SERIES :- ❇The change in properties of homologous series is because of Change in size of a alkyle group. ❇Each successive member in homologous series differ by molecular formula ( CH2). ❇Any two successive member differ by molecular mass 14u.

Homologous series General formula Repeating unit
Straight-chain alkanes CnH2n + 2 (n ≥ 1) −CH2−
Straight-chain perfluoroalkanes CnF2n + 2 (n ≥ 1) −CF2−
Straight-chain alkyl CnH2n + 1 (n ≥ 1) −CH2−
Straight-chain 1-alkenes CnH2n (n ≥ 2) −CH2−

Q. What is homologous series of alcohol?

The alcohols are a homologous series of organic compounds . They all contain the functional group –OH, which is responsible for the properties of alcohols. The names of alcohols end with ‘ol’, eg ethanol. The first three alcohols in the homologous series are methanol, ethanol and propanol.

Q. What is a homologous series Class 10?

The alkynes comprise a series of carbon‐ and hydrogen‐based compounds that contain at least one triple bond. This group of compounds is a homologous series with the general molecular formula of C n H 2 n‐‐2 , where n equals any integer greater than one.

Q. What is the formula of Methyne?

methyne belongs to alkyne group having formula = CnH2n-2.

Q. What is the simplest alkyne?

Ethyne is more commonly known under the trivial name acetylene. It is the simplest of the alkynes, consisting of two carbon atoms connected by a triple bond, leaving each carbon able to bond to one hydrogen atom.

Q. Which metal is used to convert Dihalides to alkynes?

In general, chlorine or bromine is used with an inert halogenated solvent like chloromethane to create a vicinal dihalide from an alkene.

Q. What is a terminal alkyne?

Terminal alkyne: An alkyne in which the carbon-carbon triple bond is at the end of the carbon chain.

Q. Why alkyne is called acetylene?

Two other terms which describe alkynes are unsaturated and acetylenes. … Since the compound is unsaturated with respect to hydrogen atoms, the extra electrons are shared between 2 carbon atoms forming double bonds. Alkynes are also generally known as ACETYLENES from the first compound in the series.

Q. Does acetylene burn without oxygen?

Decomposition is a chemical reaction whereby acetylene breaks down into its constituent elements, carbon and hydrogen. This reaction gives out a great deal of heat, which can cause the gas to effectively ignite without the presence of air or oxygen.

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