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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
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MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
Quiz
CBSE
/
Class 12
/
Chemistry
/
Electrochemistry
1.
Faraday’s law of electrolysis is related to
Atomic number of cation
Speed of cation
Speed of anion
Equivalent weight of electrolyte
2.
The molar conductivity is maximum for the solution of concentration
0.004 M
0.002 M
0.005 M
0.001 M
3.
Units of the properties measured are given below. Which of the properties has been not matched correctly?
Molar conductance = Sm mol
Cell constant = m
Specific conductance of = S m²
Equivalence conductance = S m² (g eq)
4.
How long would it take to deposit 50 g of Al from an electrolytic cell containing Al
1.54 h
1.42 h
1.32 h
2.15 h
5.
The charge required for reducing 1 mole of MnO\(_{4}^{-}\) to Mn
1.93 × 10
2.895 × 10
4.28 × 10
4.825 × 10
6.
How much electricity in in terms of Faraday is required to produce 100 g of Ca from molten CaCl
1F
2F
3F
5F
7.
If a current of 1.5 ampere flows through a metallic wire for 3 hours, then how many electrons would flow through the wire?
2.25 × 10
1.13 × 10
1.01 × 10
4.5 × 10
8.
How many coulombs of electricity is required to reduce 1 mole of Cr
4 × 96500 C
6 × 96500 C
2 × 96500 C
1 × 96500 C
9.
A current of 1.40 ampere is passed through 500 mL of 0.180 M solution of zinc sulphate for 200 seconds. What will be the molarity of Zn
0.154 M
0.177 M
2 M
0.180 M
10.
How much time is required to deposit 1 × 10
125 s
115 s
18.7 s
27.25 s
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