1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The conductivity of $$0.04 \mathrm{~M} \mathrm{~BaCl}_2$$ solution is $$0.0112 \Omega^{-1} \mathrm{~cm}^{-1}$$ at $$25^{\circ} \mathrm{C}$$. What is it's molar conductivity?

A
$$357.0 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
B
$$140.0 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
C
$$44.8 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
D
$$280.0 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The conductivity of $$0.012 \mathrm{~M} \mathrm{~NaBr}$$ solution is $$2.67 \times 10^{-4} \mathrm{~S} \mathrm{~cm}^{-1}$$. What is it's molar conductivity?

A
$$26.7 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
B
$$32.04 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
C
$$12.2 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
D
$$22.2 \mathrm{~S} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$$
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

During the electrolysis of fused $$\mathrm{NaCl}$$, the product obtained at anode is

A
$$\mathrm{Na}_{(\mathrm{S})}$$
B
$$\mathrm{Cl}_{2 \text { (8) }}$$
C
$$\mathrm{O}_{2 \text { (B) }}$$
D
$$\mathrm{Na}_{\text {(l) }}$$
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the weight of $$\mathrm{Al}$$ deposited at cathode when 1 ampere current is passed through molten $$\mathrm{AlCl}_3$$ for 9650 seconds? (At mass of $$\mathrm{Al}=27$$)

A
3.0 g
B
9.0 g
C
13.6 g
D
0.9 g
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