1
MHT CET 2026 13th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Find the pH of a solution formed by mixing equal volume of solution of $0.1$ M sodium propionate and $0.1$ molar propionic acid.
(Given The dissociation constant of propionic acid is $1.3 \times 10^{-5}$)
A
$2.45$
B
$4.89$
C
$5.98$
D
$6.89$
2
MHT CET 2026 13th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
What is the concentration of hydrogen ion in the solution when the concentration of hydroxyl ion is $0.08$ mol / dm$^3$ at $298$ K ?
A
$0.125$ mol/L
B
$0.125 \times 10^{-12}$ mol/L
C
$0.0125$ mol/L
D
$0.125 \times 10^{-10}$ mol/L
3
MHT CET 2026 13th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
What is oxidation state of oxygen in $\text{OF}_2$ and in $\text{KO}_2$ respectively?
A
$+2$ and $+1$
B
$+2$ and $-1/2$
C
$+1$ and $-1/2$
D
$-2$ and $-1$
4
MHT CET 2026 13th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following ions are responsible for hardness of water?
A
$\text{Ag}^+, \text{Au}^{3+}$ ions
B
$\text{Hg}^{2+}, \text{Pb}^{2+}$ ions
C
$\text{Ca}^{2+}$ and $\text{Mg}^{2+}$ ions.
D
$\text{As}^{3+}, \text{CN}^-$

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