Q.
The correct order of increasing acid strength of the compounds :
AIEEEAIEEE 2006Aldehydes Ketones and Carboxylic Acids
Solution:
$-I$ effect increases acidity.
$+I$ effect decreases acidity.
$-CF_3$ exerting more $-I$ effect than $MeO-$
$Me_2CH-$ exerting more $+I$ effect than $—CH_3$

