CBSE Ncert Notes for Class 12 Chemistry Haloalkanes and Haloarenes. Halo alkanes are the compounds containing halogen atom attached to the sp3. Haloalkanes are the organic compound formed by replacing a hydrogen atom by a halogen atom. They have general structure formula R-X, where R is an alkyl. CBSE class 12 Haloalkanes and Haloarenes class 12 Notes Chemistry in PDF are available for free download in myCBSEguide mobie app.

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Based on the structure i. When compared to carbon, halogen atoms are haloardnes electronegative. Aryl halides are prepared with the help of electrophilic substitution to arenes.

Iodides and Fluorides are prepared with halogen noted method. Organohalogens have a higher boiling point when compared hydrocarbons due to strong van der Waals forces and dipole-dipole forces.


Haoalkanes partial dissolve in water but completely dissolve in organic solvents. Organometallic compounds are formed by the nucleophilic substitution, elimination, and reaction with metal atoms which occurs due to the polarity of a carbon-halogen bond of alkyl halides.

CBSE Class 12 Chemistry Notes : Haloalkanes and Haloarenes

Based on the kinetic properties Nucleophilic substitution reactions are naloalkanes as S N 1 and S N 2. Chirality plays a very important in SN2 reactions of understanding the reaction mechanisms of these reactions. S N 2 reactions are characterized by inversion configuration whereas S N 1 reactions are characterised by racemisation.

Keep visiting us for latest updates on CBSE class 12 chemistry notes. Practise This Question The decreasing order of the first ionization energy of group 16 elements is:.

Class 12 Chemistry Revision Notes for Chapter 10 – Haloalkanes and Haloarenes

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Haloalkanes and Haloarenes Class 12 Notes – Chapter 10

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