1
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A buffer solution contains equal concentrations of weak acid and its salt with strong base. Calculate pH of buffer solution if dissociation constant of weak acid is $1.8 \times 10^{-5}$.

A
4.7447
B
5.1420
C
5.8496
D
4.0128
2
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from the following equations represents the relation between solubility ( $\mathrm{mol} \mathrm{~L}^{-1}$ ) and solubility product for a salt $\mathrm{B}_3 \mathrm{A}_2$ ?

A
$\mathrm{S}=\left(\frac{\mathrm{K}_{\mathrm{sp}}}{108}\right)^{\frac{1}{5}}$
B
$\mathrm{S}=\left(108 \times \mathrm{K}_{\mathrm{sp}}\right)^{1 / 5}$
C
$\mathrm{S}=\left(\frac{\mathrm{K}_{\mathrm{sp}}}{27}\right)^{\frac{1}{5}}$
D
$\mathrm{S}=\left(27 \times \mathrm{K}_{\mathrm{sp}}\right)^{1 / 5}$
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate solubility $\left(\mathrm{moldm}^{-3}\right)$ of a sparingly soluble electrolyte AB at 298 K if its solubility product is $1.6 \times 10^{-5}$ ?

A
$1.6 \times 10^{-3}$
B
$2.5 \times 10^{-3}$
C
$4.0 \times 10^{-3}$
D
$8.0 \times 10^{-3}$
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the pH of $10^{-8} \mathrm{M~HCl}$ solution?

A
8
B
7
C
<7
D
>8
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