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1
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Conductivity of a solution is $$1.26 \times 10^{-2} \Omega^{-1} \mathrm{~cm}^{-1}$$ Calculate molar conductivity for $$0.01 \mathrm{~M}$$ solution.

A
$$1.26 \times 10^3 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
B
$$2.52 \times 10^3 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
C
$$4.82 \times 10^3 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
D
$$6.30 \times 10^3 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
2
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is NOT a difficulty in setting SHE?

A
To obtain pure hydrogen gas
B
To obtain dry hydrogen gas
C
To maintain exactly $$1 \mathrm{~atm}$$ pressure
D
To bring the reaction in reverse direction
3
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What mass of $$\mathrm{Mg}$$ is produced during electrolysis of molten $$\mathrm{MgCl}_2$$ by passing $$2 \mathrm{~amp}$$ current for 482.5 second?

(Molar mass $$\mathrm{Mg}=24 \mathrm{~g} \mathrm{~mol}^{-1}$$)

A
0.12 g
B
0.24 g
C
1.2 g
D
0.4 g
4
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the conductivity of $$0.05 ~\mathrm{M} ~\mathrm{BaCl}_2$$ solution if its molar conductivity is $$220 ~\Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$ ?

A
$$0.011 ~\Omega^{-1} \mathrm{~cm}^{-1}$$
B
$$0.022~\Omega^{-1} \mathrm{~cm}^{-1}$$
C
$$0.033 ~\Omega^{-1} \mathrm{~cm}^{-1}$$
D
$$0.044~\Omega^{-1} \mathrm{~cm}^{-1}$$
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