The preparation of alkyl halides in the labor | vedclass

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(D) The preparation of alkyl halides is least preferred by direct halogenation of alkanes because it results in a mixture of mono-,di-,tri-,and poly-s

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Direct halogenation of alkanes

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(D) The preparation of alkyl halides is least preferred by direct halogenation of alkanes because it results in a mixture of mono-,di-,tri-,and poly-substituted alkyl halide derivatives,which are difficult to separate. The reaction proceeds as follows:$CH_4 + Cl_2 \rightarrow CH_3Cl + HCl$ (chloromethane)$CH_3Cl + Cl_2 \rightarrow CH_2Cl_2 + HCl$ (dichloromethane)$CH_2Cl_2 + Cl_2 \rightarrow CHCl_3 + HCl$ (trichloromethane)$CHCl_3 + Cl_2 \rightarrow CCl_4 + HCl$ (tetrachloromethane)

The preparation of alkyl halides in the laboratory is least preferred by:

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