1
MHT CET 2026 19th April Morning Shift
MCQ (Single Correct Answer)
+1
-0
What is the pH of solution containing $5 \times 10^{-4}\ \text{M}\ \text{H}^+$ ion?
A
$4.699$
B
$3.301$
C
$5.401$
D
$3.725$
2
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify conjugate acid and conjugate base for $\mathrm{HCO}_3^{-}$ion respectively

A

$\mathrm{CO}_3^{2-}$ and $\mathrm{H}_2 \mathrm{CO}_3$

B

$\quad \mathrm{H}_2 \mathrm{CO}_3$ and $\mathrm{CO}_2$

C

$\quad \mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{CO}_3$

D

$\quad \mathrm{H}_2 \mathrm{CO}_3$ and $\mathrm{CO}_3^{2-}$

3
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Find the concentration of sodium acetate when added to 0.1 M solution of acetic acid to form a buffer solution of $\mathrm{pH}=5.5$ ?

( $\mathrm{pK}_{\mathrm{a}}$ of $\mathrm{CH}_3 \mathrm{COOH}=4.5$ )

A

0.1 M

B

$0.01 \mathrm{M}$

C

1.0 M

D

10.0 M

4
MHT CET 2025 5th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the ionisation constant of $0.08 \mathrm{~mol} \mathrm{dm}{ }^{-3}$ of a monobasic acid having $\mathrm{pH}=2$.

A

$3531 \times 10^{-7}$

B

$2.081 \times 10^{-6}$

C

$3.456 \times 10^{-8}$

D

$1.25 \times 10^{-3}$

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