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Here is an example of an $\alpha$-halogenation reaction of acetophenone.

Created for Copyright 2016. All rights reserved.

Which of the following statements is NOT true about the $\alpha$-halogenation of carbonyl compounds?


$\alpha$ halogenation reaction occurs in basic conditions only.


The reaction cannot be stopped at the ​mono-halogenated​ state and further undergoes halogenation to give polyhalogenated products.


The reaction intermediate is a very reactive enolate.


Polyhalogenation of a methyl ketone (RCO-$CH_3$) is a typical laboratory method to identify​ the presence of methyl ketone in a given compound, and the reaction is known as a 'Haloform reaction'.

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