What homologous series does ethanol belong to?

Asked By: Nakia Klerx | Last Updated: 30th January, 2020
Category: science chemistry
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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.

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Also asked, what homologous series does octane belong to?

alkanes

Also Know, what is a homologous series in chemistry? A homologous series in organic chemistry is a group of organic compounds (compounds that contain C atoms) that differ from each other by one methylene (CH2 ) group. '' For example, methane and ethane are homologues and belong to the same homologous series. They differ from each other by one CH2 group.

Herein, what is the general formula of a member of the alcohol homologous series?

Alcohol molecules all contain the hydroxyl (-OH) functional group. They are a homologous series and have the general formula C nH 2n+ 1OH.

What are the first 4 alcohols?

The four most common alcohols, which are also the simplest, are methanol (CH3OH), ethanol(C2H5OH), propanol (C3H7OH) and butanol (C4H9OH). The names of the alcohol are derived according to the alkane backbone.

39 Related Question Answers Found

What is the name of an 11 carbon chain?

List of straight-chain alkanes
Number of C atoms Number of isomers Name of straight chain
9 35 n-nonane
10 75 n-decane
11 159 n-undecane
12 355 n-dodecane

What type of reaction is cracking?

Thermal cracking is a type of chemical reaction that uses heat to break down long chain molecules into smaller, more reactive, and therefore potentially more useful, molecules. In the school laboratory, you may have carried out cracking for yourself using liquid paraffin and broken pot.

Where do we get alkanes from?

Occurrence of alkanes on Earth
The most important commercial sources for alkanes are natural gas and oil. Natural gas contains primarily methane and ethane, with some propane and butane: oil is a mixture of liquid alkanes and other hydrocarbons.

What is a molecular formula in chemistry?

Definition of molecular formula. : a chemical formula that gives the total number of atoms of each element in each molecule of a substance — compare structural formula.

How are alkanes formed?

The simplest alkane is methane (CH4), which consists of a single carbon atom covalently bonded to four hydrogen atoms. A homologous series of alkanes may be formed by adding additional methylene groups (–CH2–). The series continues in this manner to include ethane (C2H6), propane (C3H8), butane (C4H10), among others.

What 3 letters do all alkanes end in?

The names of all alkanes end with -ane. Whether or not the carbons are linked together end-to-end in a ring (called cyclic alkanes or cycloalkanes) or whether they contain side chains and branches, the name of every carbon-hydrogen chain that lacks any double bonds or functional groups will end with the suffix -ane.

Is alcohol a homologous series?

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. Ethanol is the alcohol found in alcoholic drinks such as wine and beer.

What are the first five alcohols?

Common names
Type Formula IUPAC Name
Monohydric alcohols CH3OH Methanol
C2H5OH Ethanol
C3H7OH Propan-2-ol
C4H9OH Butan-1-ol

Why the alkanes form a homologous series?

Alkanes. The alkanes are a homologous series of hydrocarbons . This means that they have similar chemical properties to each other and they have trends in physical properties. The general formula means that the number of hydrogen atoms in an alkane is double the number of carbon atoms, plus two.

How is ethanol produced?

Ethanol can be made by a process called fermentation. During fermentation, sugar (glucose) from plant material is converted into ethanol and carbon dioxide. This typically takes place at temperatures of around 30°C. Unlike ethene, sugar from plant material is a renewable resource.

Are esters a homologous series?

Esters are sweet-smelling compounds formed by reacting alcohol and carboxylic acid. Compounds that are in the same homologous series have the same general molecular formula and have the same functional groups. However, its relative reactivity can be changed by other functional groups within the same molecule.

What is the functional group in an alcohol?

An alcohol is an organic compound with a hydroxyl (OH) functional group on an aliphatic carbon atom. Because OH is the functional group of all alcohols, we often represent alcohols by the general formula ROH, where R is an alkyl group. Alcohols are common in nature.

What functional group is methanol?

An example of a functional group would be –OH, the alcohol functional group. A molecule with an alcohol functional group ends in the suffix –ol. An example of a molecule with the alcohol functional group would be methanol, CH3OH.

Why is ethanol a useful solvent?

Because ethanol can be produced by fermentation, this is a useful way for countries without an oil industry to reduce imports of petrol. Ethanol is widely used as a solvent. It is relatively safe, and can be used to dissolve many organic compounds which are insoluble in water.

What is homologous structure?

homologous structure. noun. The definition of a homologous structure is an organ or body part that appears in different animals and is similar in structure and location, but doesn't necessarily share the same purpose. An example of a homologous structure is the human arm as compared to the wing on a bird.

What are the features of homologous series?

Characteristics are :
  • The members of the homologous series have same functional group.
  • Members have the same general formula.
  • Members have the almost same chemical properties due to same functional group.
  • Members have common general method of preparation.