Haloalkanes and haloarenes class 12 notes pdf

Monohalogen derivatives definition dihalogen derivatives types of dihalogen derivatives quaternary halide derivative monohalogen derivatives of alkanes are called alkyl halides are which derivatives of alkanes vinyl

Haloalkanes and haloarenes class 12 notes pdf

Halide derivative allylic halide derivative quaternary halide derivative draw the structure of any allylic halide derivative acid halide derivative derivative of halide halide derivatives of silane halide derivatives synthesis halides derivative acid halide derivatives aryl halides derivative dihalogen derivatives

 

 

 

Halide derivative

Halideo is classified into the following parts

(A) alkyl halide (aliphatic halide)

(1) mono halide

png image

(2) Di halide

png image

(3) tri halide

png image

(4) Tetra Halide

Note – In case of more than four halides, it is called poly halide.

 

(B) Aryl halide (aromatic halide)

image

 

(C) Vinyl halide

the addition of a halide to a sp2 hybridized carbon

image

 

(D) Aryl halide (allylic halide)

In this, a halogen is attached to the sp3 transition carbon but the adjacent carbon of this sp3 carbon should be sp2

image

 

(E) benzyl halide – image

Nature of carbon-halogen bond:-

image

 

Haloalkanes And Haloarenes Class 12 Notes Pdf
Haloalkanes And Haloarenes Class 12 Notes Pdf

haloalkanes and haloarenes notes for neet pdf

Monohalogen derivatives of alkanes are called alkyl halides are which derivatives of alkanes monohalogen derivatives definition monohalogen derivatives of alkanes examples quaternary halide derivative types of dihalogen derivatives on the basis of hydrocarbon skeleton halogen derivatives are classified in types haloalkanes and haloarenes class 12

 

 

As if IUPAC name of halide

IMAGE

Methods of preparation of alkyl halide –

(1) Halogenation of alkene

image

=> In the presence of sunlight the reaction with Cl2 takes place at a faster rate whereas with Br2 at a slower rate

=> Reaction with F2  in the dark and after adding some amount of N2 while adding a little iodic acid (Hio3) to it to react with i2

=> All possible haloalkanes are obtained in this reaction

 

Q-1 Prepare all possible monochloro products that can be obtained on halogenation of all isomers of pentane in the presence of sunlight?

image

 

(2) Hydrohalogenation of alkenes

This reaction takes place by Markonikoff’s law

Markonikoff’s law – According to this law, when an asymmetric, unsaturated hydrocarbon is reacted with HX, then the highly electronegative X part is added to the unsaturated carbon on which the number of hydrogen is less or the number of substituents is more.

image

 

Peroxide effect– When an asymmetric alkyl or alkyne is reacted with only H-Br in the presence of peroxide, then this reaction is contrary to Markonikoff’s law (anti-Markonikoff).

image

 

Reason :- Because the bond energy of peroxide is more than that of H-Br, so in the presence of peroxide, H-Br will break into free radical, that is why the addition of H-Br will be by anti-Markonikoff’s law.

bond energy order
H-F > H-Cl > Peroxide > H-Br > H-I

 

=> Peroxide effect is not applicable on H-F and H-Cl because energy of peroxide is less than these

=> Whereas hydrogen halogenation reaction does not take place in the presence of peroxide from H-I because I2 gas is released by free radical breakdown.

 

(3) Hunsdication reaction

In this, a silver salt is reacted with Br in the presence of organic solvent CCl4 to give only bromides.

image

 

(4) Reaction of primary amine with nitrosyl chloride

image

 

imp*
(5) Halogens are interchangeable by –

(a) Fichlestein reaction – In this, if any R-Cl or R-Br is reacted with NaI with acetone or methanol, then only RI will be obtained.

image

(b) Swarts reaction

image

(6) from alcohol

image

Physical properties of mono halides : – C1-C2 is found in gaseous state at room temperature, after this all alkyl halides are liquid with a sweet smell. All alkyl halides are colorless but this iodide decomposes in the presence of light to release iodide. Due to which its color becomes purple, on burning it burns with a green flame, the density of alkyl halide is proportional to the molecular weight.

imp*

Chemical Properties of Mono Halides :-

 

 

Home  Blog  Insurance  News  Education 

 

Haloalkanes and haloarenes notes class 12

Haloalkanes and haloarenes haloalkanes and haloarenes class 12 notes haloalkanes and haloarenes notes haloalkanes and haloarenes class 12 pdf haloalkanes and haloarenes ncert haloalkanes and haloarenes class 12 mcq haloalkanes and haloarenes handwritten notes pdf haloalkanes and haloarenes neet questions haloalkanes and haloarenes questions with answers pdf notes of haloalkanes and haloarenes class 12 pdf class 12

Chemistry haloalkanes and haloarenes notes physical properties of haloalkanes and haloarenes difference between haloalkanes and haloarenes haloalkanes undergo nucleophilic substitution and haloarenes electrophilic why haloalkanes and haloarenes pdf notes haloalkanes and haloarenes class 12 haloalkanes and haloarenes

Solutions haloalkanes and haloarenes mcq haloalkanes and haloarenes ncert haloalkanes and haloarenes ppt haloalkanes and haloarenes pdf notes haloalkanes and haloarenes class 12 haloalkanes and haloarenes notes class 12 haloalkanes and haloarenes solutions haloalkanes and haloarenes ncert haloalkanes and haloarenes ppt

Haloalkanes and haloarenes questions haloalkanes and haloarenes mcq haloalkanes and haloarenes class 12 pdf notes haloalkanes and haloarenes notes class 12 haloalkanes and haloarenes class 12 exercise solutions haloalkanes and haloarenes class 12 questions and answers haloalkanes and haloarenes class 12 ncert solutions pdf

Haloalkanes and haloarenes class 12 notes byjus haloalkanes and haloarenes class 12 important questions flow chart of haloalkanes and haloarenes class 12 haloalkanes and haloarenes class 12 questions and answers haloalkanes and haloarenes class 12 notes byju’s haloalkanes and haloarenes class 12 important questions

Flow chart of haloalkanes and haloarenes class 12 haloalkanes and haloarenes class 12 pdf notes haloalkanes and haloarenes class 12 exercise solutions haloalkanes and haloarenes class 12 notes haloalkanes and haloarenes class 12 pdf

Haloalkanes and haloarenes class 12 mcq haloalkanes and haloarenes class 12 important questions haloalkanes and haloarenes class 12 notes physics wallah haloalkanes and haloarenes class 12 handwritten notes haloalkanes and haloarenes class 12 pdf notes haloalkanes and haloarenes class 12 question bank pdf

Haloalkanes and haloarenes class 12 notes aman dhattarwal notes of haloalkanes and haloarenes class 12 pdf mcq questions on haloalkanes and haloarenes class 12

class 12th haloalkanes and haloarenes notes class 12th chemistry haloalkanes and haloarenes class 12th chemistry haloalkanes and haloarenes mcq class 12th haloalkanes and haloarenes mcqs