MCQ
Which one of the following has the maximum acid strength
- ✓$o-$ nitrobenzoic acid
- B$m-$ nitrobenzoic acid
- C$p-$ nitrobenzoic acid
- D$p-$ nitrophenol

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(Given : $h =6.63 \times 10^{-34} \,Js$ and $c =3.08 \times 10^{8} \,ms ^{-1}$ )

(Round off to the Nearest Integer).
[Given : Henry's law constant $= K _{ H }=8.0 \times 10^{4} kPa$ for $O _{2}$ Density of water with dissolved oxygen $=1.0\, kg\, dm ^{-3}$ ]