Physical properties of alkyl halides

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Physical properties 

State:- The first number , Methyl halides are gases , C 18 colourless liquids while members are colorless  solid like wax.

Solubility :- Although alkyl halides are polar in nature , they are insoluble in water , because they don't form H-bond with molecules of water . They are soluble in organic solvent like ether and benzene .

Density:- Alkyl chloride are generally laughter than water where as bromide and iodides are heavier . These density in order are R___I > R ____Br > R ____CI.


Boiling point:- The boiling point of Alkyl halides are in the of R___I >R___Br > R___CI. It is because due to the increase of atomic size and mass of halogen atom the magnitude of the van der waals forces of attraction increases However , In case of isomeric alkyl halides the boiling point decreased with increase in the branching . This is , because , on branching , the surface area of the molecules decrease . As a result of which , the magnitude of the van der waals forces of attraction decrease .

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