The increasing order of the

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Question:

The increasing order of the $\mathrm{p} K_{\mathrm{a}}$ values of the following compounds is:

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

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

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

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

Correct Option: , 4

Solution:

Electron withdrawing substituents increase the acidic strength while electron releasing groups decrease the acidic strength.

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