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1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
The pH of 1 N aqueous solutions of HCl , $ \mathrm{CH}_{3} \mathrm{COOH} $ and HCOOH follows the order:
A
$ \mathrm{HCl} > \mathrm{HCOOH} > \mathrm{CH}_{3} \mathrm{OOH} $
B
$ \mathrm{HCl}=\mathrm{HCOOH} > \mathrm{CH}_{3} \mathrm{COOH} $
C
$ \mathrm{CH}_{3} \mathrm{COOH} > \mathrm{HCOOH} > \mathrm{HCl} $
D
$ \mathrm{CH}_{3} \mathrm{COOH}=\mathrm{HCOOH} > \mathrm{HCl} $
2
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
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 .
A
0.1 M
B
0.04 M
C
0.4 M
D
0.02 M
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The concentration of hydrogen ion in a sample of soft drink is $$3.8 \times 10^{-3} \mathrm{M}$$. What is its $$\mathrm{pH}$$ ?

A
3.84
B
2.42
C
4.44
D
1.42
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

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

A
$$2.9 \times 10^{-18} \mathrm{~M}$$
B
$$1.9 \times 10^{-13} \mathrm{~M}$$
C
$$1.9 \times 10^{-15} \mathrm{~M}$$
D
$$2.9 \times 10^{-14} \mathrm{~M}$$
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