The increasing order of the acidity of the
Question:

The increasing order of the acidity of the $\alpha$-hydrogen of the following compounds is :

1. $(\mathrm{C})<(\mathrm{A})<(\mathrm{B})<(\mathrm{D})$

2. $(\mathrm{B})<(\mathrm{C})<(\mathrm{A})<(\mathrm{D})$

3. $(\mathrm{A})<(\mathrm{C})<(\mathrm{D})<(\mathrm{B})$

4. $(\mathrm{D})<(\mathrm{C})<(\mathrm{A})<(\mathrm{B})$

Correct Option: 4,

Solution:

$\mathrm{D}<\mathrm{C}<\mathrm{A}<\mathrm{B}$

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