Question: The increasing order of the acidity of the $\alpha$-hydrogen of the following compounds is :
$(\mathrm{C})<(\mathrm{A})<(\mathrm{B})<(\mathrm{D})$
$(\mathrm{B})<(\mathrm{C})<(\mathrm{A})<(\mathrm{D})$
$(\mathrm{A})<(\mathrm{C})<(\mathrm{D})<(\mathrm{B})$
$(\mathrm{D})<(\mathrm{C})<(\mathrm{A})<(\mathrm{B})$
Correct Option: 4,
Solution:
$\mathrm{D}<\mathrm{C}<\mathrm{A}<\mathrm{B}$
