1
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the pH of 0.02 M monobasic acid having $2 \%$ dissociation.

A
3.4
B
4.5
C
5.1
D
5.8
2
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following molecule can form hydrogen bonding with itself?

A
$\mathrm{NH}_3$
B
$\mathrm{C}_2 \mathrm{H}_6$
C
$\mathrm{H}_2 \mathrm{S}$
D
$\mathrm{CH}_3-\mathrm{O}-\mathrm{CH}_3$
3
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the cell constant of conductivity cell containing 0.1 M KCl solution having resistance $60 \Omega$ and conductivity $0.014 \Omega^{-1} \mathrm{~cm}^{-1}$ at $25^{\circ} \mathrm{C}$.

A
$0.42 \mathrm{~cm}^{-1}$
B
$0.84 \mathrm{~cm}^{-1}$
C
$0.60 \mathrm{~cm}^{-1}$
D
$1.04 \mathrm{~cm}^{-1}$
4
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Calculate standard internal energy change for $\mathrm{OF}_{2(\mathrm{~g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})} \longrightarrow 2 \mathrm{HF}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})}$ at 300 K , if $\Delta_{\mathrm{f}} \mathrm{H}^{\circ}$ of $\mathrm{OF}_{2(\mathrm{~g})}, \mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}$ and $\mathrm{HF}_{(\mathrm{g})}$ are 20, -250 and $-270 \quad \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. $\left[\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right]$

A
$\mathrm{-307.50 ~kJ}$
B
$-342.48 \mathrm{~kJ}$
C
$-412.00 \mathrm{~kJ}$
D
$\mathrm{-214.48 ~kJ}$
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