1.

Select the least acidic compound.

Answer»

`NO_(2)-CH_(2)-OVERSET(overset(O)(||))(C)-O-H`
`F-CH_(2)-overset(overset(O)(||))(C)-O-H`
`Ph-CH_(2)-overset(overset(O)(||))(C)-O-H`
`CH_(3)-CH_(2)-overset(overset(O)(||))(C)-O-H`

SOLUTION :ELECTRON withdrawing group increases the ACIDIC strength.


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