Electrolytic and Metallic Conduction

IMPORTANT

Electrolytic and Metallic Conduction: Overview

This Topic covers sub-topics such as Ohm's Law, Electrolytes, Conductance, Electrical Conductivity, Specific Resistance, Specific Conductance, Cell Constant, Electrical Conductors, Non-Electrolytes, Electrical Insulators and, Metallic Conductors

Important Questions on Electrolytic and Metallic Conduction

MEDIUM
IMPORTANT

Which of the following express the relation among cell constant, resistance of the solution in the cell and conductivity of the solution?

MEDIUM
IMPORTANT

The relation among the cell constant, the resistance of the solution in the cell and the conductivity of the solution is

MEDIUM
IMPORTANT

The molar conductivity of a 1.5 M solution of an electrolyte is found to be 138.9 S cm2 mol-1. Calculate the conductivity of the solution?

EASY
IMPORTANT

The conductance of metallic substance is because of

EASY
IMPORTANT

The resistance of a conductivity cell containing 0.001 M KCI solution at 298 K is 1500   Ω.  The cell constant would be (if the conductivity of 0.001 M KCI solution at 298 K is   0.146× 10 3 S cm 1  ):  

EASY
IMPORTANT

The resistance of a conductivity cell when filled with 0.05 M solution of an electrolyte X is 100 ohms at   40°C.  The same conductivity cell filled with 0.01 M solution of electrolyte Y has a resistance of 50 ohms. The conductivity of 0.05 M solution of electrolyte X is   1.0× 10 4 Sc m 1 .  The cell constant, conductivity and molar conductivity of 0.01 M of solution Y would be:

HARD
IMPORTANT

Give reason: Potato is also used as electrolyte.

MEDIUM
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What is conductivity water? How is it obtained?

EASY
IMPORTANT

In each of the following pairs, which will allow greater conduction of electricity and why?
Silver wire at 20°C, Same silver wire at 50°C.

HARD
IMPORTANT

Briefly explain the terms specific, equivalent and molar conductivity. How are they inter-related?

MEDIUM
IMPORTANT

Define conductivity and write its formula. Write the unit of it.

MEDIUM
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List the points of difference between metallic conductor and electrolytic conductor.

EASY
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Suppose uninsulated copper or aluminium wires are used for flow of electricity from pole to pole in the street. Do you expect a better flow in summer or winter and why?

MEDIUM
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Explain the role of ions in electrolytic conductors.

MEDIUM
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What are non-electrolytes?

MEDIUM
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Explain electrolytes?

MEDIUM
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Define electrical conductor.

EASY
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Which type of material are usually good conductors of electricity?

EASY
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The factor which is not affecting the conductivity of any solution is

EASY
IMPORTANT

Explain the factors affecting Electrolytic Conductance?