1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the electrolyte from following so that $\wedge_0$ is not obtained from the graphical variation of $\wedge$ against $\sqrt{\mathrm{C}}$ ?

A

KCl

B

$\quad \mathrm{H}_2 \mathrm{SO}_4$

C

$\mathrm{CH}_3 \mathrm{COOK}$

D

$\mathrm{NH}_4 \mathrm{OH}$

2
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

The molar conductivity of 0.02 M HCl is $408.4 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ at $25^{\circ} \mathrm{C}$. Calculate it's conductivity.

A
$16.180 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
B
$8.168 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
C
$6.108 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
D
$4.042 \times 10^{-3} \Omega^{-1} \mathrm{~cm}^{-1}$
3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following substances is NOT required in the construction of $\mathrm{H}_2-\mathrm{O}_2$ fuel cell?

A
Carbon rod
B
KOH solution
C
Platinum
D
Pure water
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the quantity of electricity required to liberate $112 \mathrm{~cm}^3$ of hydrogen gas at STP from acidified water?

A
482.5 C
B
965 C
C
500 C
D
96500 C

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