Q.
The following reaction R−Cl+NaIAcetoneR−I+NaCl
is known as
2977
205
AMUAMU 2016Haloalkanes and Haloarenes
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Solution:
R−X+NaIAcetoneR−I+NaX ,br>
where X=Cl,Br
Alkyl iodides are often prepared by alkyl chlorides/bromides by heating with NaI in dry
acetone. This reaction is known as Finkelstein reaction. NaCl or NaBr thus formed is precipitated in dry acetone.