1.

The most reactive among the following pairs towards NaOH is

Answer»

In I-X
In II-Q
In III-Z
In IV-T

Solution :(a) is correct as `C_(6)H_(5)OH` is more acidic than alcohol due to resoance stablization of conjugate base.
(C) is correct due to the PRESENCE of there strong deactiveating groups so `C-Cl` bond is highly susceptahle to nucleophilic attack while in `R` it is not so because lone pairs of electrons are in conjugation with benzene ring.
(d) is correct because `HCOOH` is more acidic than `C_(6)H_(5)COOH`.


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