Chemistry - GOC Question with Solution | TestHub

$\text{Ka}\propto \text{Acidity}$
$\text{(iv)}$is most acidic as its conjugate base is stabilized by the two$-\text{OH}$groups by intra-molecular$\text{H}$-bonding.
$\text{(ii)}$is least acidic as conjugate base is not stabiilized by$\text{H}$-bond.