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JEE Main 2002
Exam
JEE Main
Year
2002
Subject
Chemistry
Chapter
Ionic Equilibrium

JEE Main 2002 · Chemistry · Ionic Equilibrium

Species acting as both Bronsted acid and base is

Species acting as both Bronsted acid and base is

Options

  1. A(HSO4)−1\left(\mathrm{HSO}_4\right)^{-1}
  2. BNa2CO3\mathrm{Na}_2 \mathrm{CO}_3
  3. CNH3\mathrm{NH}_3
  4. DOH−1\mathrm{OH}^{-1}

Correct answer

A. (HSO4)−1\left(\mathrm{HSO}_4\right)^{-1}

Step-by-step solution

(HSO4)−\left(\mathrm{HSO}_4\right)^{-} can accept and donate a proton (HSO4)−+H+→H2SO4(HSO4)−−H+→SO42−\left(\mathrm{HSO}_4\right)^{-}+\mathrm{H}^{+} \rightarrow \mathrm{H}_2 \mathrm{SO}_4 \left(\mathrm{HSO}_4\right)^{-}-\mathrm{H}^{+} \rightarrow \mathrm{SO}_4^{2-}
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