Alcohol Phenol and Ether | NCERT Class 12 Notes Pdf Download

Alcohol Phenol and Ether is the longest chapters of NCERT Class 12 Notes pdf. Alcohol Phenol and Ether is chapter 11 of NCERT 12th Chemistry. The previous chapter of the Class 12th chemistry chapter Alcohol Phenol and Ether is Haloalkanes and Haloarenes. Alcohol Phenol and Ether Chapter is the same as Haloalkanes and Haloarenes whereas the difference between these two chapters is short. The difference between Alcohol Phenol and Ether Chapter and Haloalkanes and Haloarenes Chapter is only radical. All the topics of alcohol, phenol and ether are available in this article in brief.

Alcohol Phenol and Ether

It’s time to learn the Alcohol Phenol and Ether Chapter of the Class 12 Organic Chemistry Unit. Alcohol, Phenol and Ether chapter is an interesting chapter for a lot of students. I know that alcohol name is not new for you but it is not also a different chapter. Let’s begin to learn the Alcohol Phenol and Ether Chapter of NCERT Class 12 Notes pdf in brief.

Let’s learn the Alcohol Phenol and Ether’s definition in brief. First of all, we shall read the example of Alcohol Phenol and Ether in brief. Learn the NCERT Class 12 Chemistry Chapter 11 Haloalkanes and Haloarenes Notes Pdf Download in brief.

What is alcohol? Describe it in brief with examples.

Alcohol:- As you learn in the previous chapter, the hydrogen atom of an aliphatic hydrocarbon is replaced by the halogen atom which we call haloalkanes. Similarly, the hydrogen atom of an aliphatic hydrocarbon is replaced by the hydroxyl radical, which we call alcohol. In other words, It is an aliphatic hydrocarbon compound in which one or more hydrogen atoms are replaced by one or more hydroxyl radicals is known as alcohol.

What is the general formula of alcohol in brief?

The general formula of alcohol is R-OH where R represents the alkyl group and OH is the symbol of the hydroxyl functional group. Such as CH3OH, CH3CH2OH etc.

NCERT Class 12 Alcohol Phenol and Ether Notes Pdf

alcohol-phenol-and-ether-ncert-class-12-notes-pdf-download
alcohol-phenol-and-ether-ncert-class-12-notes-pdf-download

Now, the start to learn the examples of alcohol in brief. The examples of alcohol are following:-

Common NamesIUPAC NamesChemical Formula
Wood AlcoholMethanolCH3OH
Grain AlcoholEthanolC2H5OH
Rubbing AlcoholPropanolC3H7OH
n-butyl Alcohol1-butanolC4H9OH
Examples of Alcohol

What is a phenol? Describe it in brief with examples.

Phenol:- As you learn in the previous chapter, the hydrogen atom of an aromatic hydrocarbon is replaced by the halogen atom which we call haloarenes. Similarly, the hydrogen atom of an aromatic hydrocarbon is replaced by the hydroxyl radical, which we call phenol. In other words, It is an aromatic hydrocarbon compound in which one or more hydrogen atoms are replaced by one or more hydroxyl radicals is known as Phenol.

What is the general formula of phenol in brief?

The general formula of phenol is Ar-OH where Ar represents the aryl group and OH is the symbol of the hydroxyl functional group. Such as C6H5OH, CH3C6H4OH etc.

Now, the start to learn the examples of phenol in brief. The examples of alcohol are following:-

IUPAC NamesChemical Formula
PhenolC6H5OH
PentachlorophenolC6Cl5OH
3-methyl phenolCH3C6H4OH
4-ethyl phenolC8H10O
Examples of Phenol

Difference between Alcohol and Phenol

Let’s learn the difference between alcohol and phenol in brief. The difference between alcohol and phenol are the following:-

AlcoholPhenol
It is an aliphatic hydrocarbon compound.It is an aromatic hydrocarbon compound.
These compounds are non-cyclic compounds.These compounds are cyclic compounds.
Generally, It exists in liquid form.Generally, It exists in state form.
In it, hydroxyl radicals connect with the main chain.In it, hydroxyl radicals connect with the ring.
Examples:- Methanol, Ethanol and Propanol etc.Examples:- Phenol, Pentachlorophenol etc.
Difference between Alcohol and Phenol

Also, read it:- Chemistry MCQs for Class 12 Chapter wise with Answers Pdf & Notes Download.

Now, we shall learn about ether as well as the definition, examples, classification and much more.

Class 12 NCERT Chemistry Notes Pdf

What is ether, Describe it in brief?

Ether:- It is an alcohol or phenolic hydrocarbon compound in which the alkyl or aryl group replace the hydrogen atom of hydroxyl radical of alcohol or phenol compound, which is known as ether. In other words, ether is alcohol as well as phenol where the alkyl or aryl group replace the hydroxyl functional group’s hydrogen atom.

What is the general formula of ether in brief?

The general formula of ether is R’-O-R” or R-O-Ar or Ar’-O-Ar” or Ar-O-R where R, R’ and R” denote alkyl group whereas Ar, Ar’ and Ar” denote aryl group.

Now, the start to learn the examples of ether in brief. The examples of ether are following:-

Common NamesChemical Formula
Dimethyl etherCH3-O-CH3
Ethyl methyl etherC2H5-O-CH3
Diethyl etherC2H5-O-C2H5
Ethyl propyl etherC2H5-O-C3H7
Phenyl methyl etherC6H5-O-CH3
Phenyl propyl etherC6H5-O-C3H7
Diphenyl etherC6H5-O-C6H5
Examples of ether

Difference between Alcohol Phenol and Ether

AlcoholPhenolEther
Alcohol is an aliphatic hydrocarbon compound.Phenol is an aromatic hydrocarbon compound.It may be aliphatic and aromatic hydrocarbon compounds.
Alcohols are less acidic than phenol.Phenol is more acidic in its natural form.Usually, Ether is not acidic.
Alcohol is a non-cyclic compound. Phenol is a cyclic compound. It may be cyclic and non-cyclic compounds.
Doesn’t react with NaOH.React with NaOH.Dimethyl ether doesn’t react with sodium.
Examples:- MethanolExamples:- PhenolExamples:- Dimethyl ether
Difference between Alcohol Phenol and ether

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