Arrange the following haloalkanesin the increasing order of density.Justify your answer.
CCl4 ,CH2Cl3, CHCl3

The density order is 
CCl4 >  CHCl> CH2Cl2

The reason is CCl4 has zero dipole moment and it shows it has symmetrical arrangement. Lesser the dipole, more compact arrangement will be there resulting in more density. 

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