1
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

How many Faradays of electricity is required to produce 4.8 g of Mg at cathode in the electrolysis of molten $\mathrm{MgCl}_2$ ? (Molar mass of $\mathrm{Mg}=24 \mathrm{~g} / \mathrm{mol}$ )

A
4 F
B
0.4 F
C
1 F
D
10 F
2
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the SI unit for electrochemical equivalent?

A
Js$^{-1}$
B
JC$^{-1}$
C
kgC
D
kgC$^{-1}$
3
MHT CET 2020 19th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

Number of electrons involved in the reaction, when 1 Faraday of electricity is passed through an electrolytic solution is

A
$12 \times 10^{46}$
B
$96500$
C
$6.022 \times 10^{23}$
D
$8 \times 10^{16}$
4
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

A solution of $$\mathrm{CuSO}_4$$ is electrolysed using a current of 1.5 amperes for 10 minutes. What mass of Cu is deposited at cathode? [Atomic mass of $$\mathrm{Cu}=63.7$$]

A
0.637 g
B
0.297 g
C
0.150 g
D
0.395 g
MHT CET Subjects
EXAM MAP