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Chemistry
Which of the following compounds will undergo self aldol condensation in the presence of cold dilute alkali?
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Q. Which of the following compounds will undergo self aldol condensation in the presence of cold dilute alkali?
MHT CET
MHT CET 2020
A
$CH _{2}= CH - CHO$
B
$C H \equiv C-C H O$
C
$C _{6} H _{5} CHO$
D
$CH _{3} CH _{2} CHO$
Solution:
Aldol condensation is given by only those aldehydes or ketones which have $\alpha$-hydrogen atom on a saturated carbon; $\alpha-H$ present on unsaturated carbon atom cannot be easily removed by a base.