Ionic Equilibrium · Chemistry · BITSAT
MCQ (Single Correct Answer)
1
The pH of 1 N aqueous solutions of HCl , $ \mathrm{CH}_{3} \mathrm{COOH} $ and HCOOH follows the order:
BITSAT 2024
2
20 mL of 0.1 M acetic acid is mixed with 50 mL of potassium acetate. $ K_{\alpha} $ of acetic acid $ =1.8 \times 10^{-5} $ at $ 27^{\circ} \mathrm{C} $. Calculate the concentration of potassium acetate if pH of mixture is 4.8 .
BITSAT 2024
3
The concentration of hydrogen ion in a sample of soft drink is $$3.8 \times 10^{-3} \mathrm{M}$$. What is its $$\mathrm{pH}$$ ?
BITSAT 2023
4
If the ionic product of $$\mathrm{Ni}(\mathrm{OH})_2$$ is $$1.9 \times 10^{-15}$$, then the molar solubility of $$\mathrm{Ni}(\mathrm{OH})_2$$ in $$1.0 \mathrm{~M} \mathrm{~NaOH}$$ is
BITSAT 2023
5
100 mL of 2 M of formic acid (pKa = 3.74) is neutralise by NaOH, at the equivalence point pH is
BITSAT 2022
6
The solubility of Pb(OH)2 in water is 6.7 $$\times$$ 10$$-$$6 M. Its solubility in a buffer solution of pH = 8 would be :
BITSAT 2021