1
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following mixtures in water acts as a basic buffer?

A
$\mathrm{NH}_4 \mathrm{OH}+\mathrm{NH}_4 \mathrm{Cl}$
B
$\mathrm{C}_6 \mathrm{H}_5 \mathrm{COOH}+\mathrm{C}_6 \mathrm{H}_5 \mathrm{COONa}$
C
$\mathrm{HCOOH}+\mathrm{HCOOK}$
D
$\mathrm{CH}_3 \mathrm{COOH}+\mathrm{CH}_3 \mathrm{COONa}$
2
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the pH of a buffer solution containing 0.35 M weak acid and 0.70 M of its salt with strong base if $\mathrm{pK}_{\mathrm{a}}$ is 4.56 .

A
6.11
B
3.72
C
4.86
D
5.65
3
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the concentration of weak monobasic acid if its degree of dissociation and dissociation constant are $5.0 \times 10^{-4}$ and $5.0 \times 10^{-9}$ respectively.

A
0.1 M
B
0.02 M
C
0.03 M
D
0.04 M
4
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate pH of 0.002 M KOH solution.

A
10.4
B
11.3
C
12.4
D
13.2
MHT CET Subjects
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