1
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate ' $\alpha$ ' for 0.1 M acetic acid $\left(\mathrm{K}_{\mathrm{a}}=1.0 \times 10^{-5}\right)$

A
$10^{-2}$
B
$10^{-3}$
C
$10^{-4}$
D
$10^{-5}$
2
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate $\left[\mathrm{H}_3 \mathrm{O}^{+}\right]$in 0.02 M solution of monobasic acid if dissociation constant is $1.8 \times 10^{-5}$.

A
$3.0 \times 10^{-4} \mathrm{M}$
B
$6.0 \times 10^{-4} \mathrm{M}$
C
$2.0 \times 10^{-4} \mathrm{M}$
D
$4.0 \times 10^{-4} \mathrm{M}$
3
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following equations represents the relation between solubility and solubility product for salt BA$_3$?

A
$S=\left(\frac{K_{s p}}{27}\right)^{1 / 4}$
B
$S=\left(27 \times K_{\text {sp }}\right)^{1 / 4}$
C
$S=\left(\frac{K_{s p}}{4}\right)^{1 / 4}$
D
$\mathrm{S}=\left(4 \times \mathrm{K}_{\mathrm{sp}}\right)^{1 / 4}$
4
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the pH of buffer solution containing 0.027 M weak acid and 0.054 M of its salt with strong base if $\mathrm{pK}_{\mathrm{a}}$ is 4.2.

A
4.5
B
3.2
C
5.6
D
6.4
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