1.

Laboratory method for the preparation of acetyl chloride is

Answer»

`CH_(3)COOH+SOCl_(2)toCH_(3)COCL`
`CH_(3)COOH+PCl_(3)toCH_(3)COCl`
`CH_(3)COONa+PCl_(3)toCH_(3)COCl`
All of these

Solution :In laboratory it is prepared by `SOCl_(2)` because byproduct `SO_(2) and HCl` are gases which can EASILY ESCAPE and leave behind `CH_(3)COCl` as a RESIDUE.
`CH_(3)COOH+SOCl_(2)toCH_(3)COCl+HCl uarr+SO_(2)uarr`


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