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Q. The reagent with which both acetaldehyde and acetone react is

COMEDKCOMEDK 2005Aldehydes Ketones and Carboxylic Acids

Solution:

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hydroxide to give yellow ppt of iodoform.

$CH _{3} CHO +3 I _{2}+3 NaOH \longrightarrow $

$Cl _{3} CHO +3 NaI +3 H _{2} O$

$Cl _{3} CHO + NaOH \longrightarrow \underset{\text { Iodoform }}{ CHI _{3}}+ HCOONa$

$CH _{3} COCH _{3}+3 I _{2}+3 NaOH \longrightarrow $

$Cl _{3} COCH _{3}+3 NaI +3 H _{2} O$

$Cl _{3} COH _{3}+ NaOH \longrightarrow \underset{\text { Iodoform }}{ CHI _{3}}+ CH _{3} COONa$