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# Test: Conductance- 1

## 20 Questions MCQ Test Physical Chemistry | Test: Conductance- 1

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This mock test of Test: Conductance- 1 for Chemistry helps you for every Chemistry entrance exam. This contains 20 Multiple Choice Questions for Chemistry Test: Conductance- 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Conductance- 1 quiz give you a good mix of easy questions and tough questions. Chemistry students definitely take this Test: Conductance- 1 exercise for a better result in the exam. You can find other Test: Conductance- 1 extra questions, long questions & short questions for Chemistry on EduRev as well by searching above.
QUESTION: 1

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QUESTION: 2

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QUESTION: 3

### Molar conductivity is defined as: Where k = conductivity, G = conductance, l = distance between two electrodes and Vm = volume of solution containing 1 mol of electrolyte

Solution:

Where C = concentration of electrolyte

QUESTION: 4

For a dilute solution of a strong electrolyte, the variation of molar conductivity with concentration is given by:

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QUESTION: 5

Which of the following ion is expected to have least value of molar conductivity at infinite dilution in an aqueous solution:

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QUESTION: 6

Which of the following ion is expected to have highest value of molar conductivity at infinite dilution in an aqueous solution:

Solution:

H+ ions will have the maximum molar conductivity amongst the given cations

QUESTION: 7

The degree of dissociation of a weak electrolyte is given by:

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QUESTION: 8

Which of the following ion has highest molar conductivity at infinite dilution in an aqueous solution:

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QUESTION: 9

The equilibrium constant of acetic acid in an aqueous solution of concentration C is given by

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QUESTION: 10

Molar conductivity of Fe2(SO4)3 is given by:

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QUESTION: 11

Equivalent conductivity of Fe2(SO4)3 is related to molar conductivity by the expression:

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QUESTION: 12

Which of the following expressions is correct:

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QUESTION: 13

If x is the specific resistance of the electrolyte solution and y is he molarity of the solution, then is given by:

Solution:

Molar conductivity is defined as the conductivity of an electrolyte solution divided by the molar concentration of electrolyte.

QUESTION: 14

When a conductance cell was filled with a 0.0025 M solution of K2SO4, its resistance was 326 Ω. If cell constant is 0.2281 cm-1, the specific conductance (Ω-1cm-1) of K2SO4 solution is:

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QUESTION: 15

Equivalent conductance of 0.1 M HA (weak acid) solution is 10 cm2 equivalent–1. The pH of HA solution is(molar conductivity at infinite dilution is 200).

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QUESTION: 16

For HCl solution at 25ºC, the equivalent conductivity at infinite dilution is 425 Ω-1 cm2 eq-1. The specific conductance of a solution of HCl is 3.825 Ω-1 cm-1. If the apparent degree of dissociat ion is 90%, the normality of solution is

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QUESTION: 17

The conductance at infinite dilution follow the order

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QUESTION: 18

The correct relation which depicts the Debye-Huckel Onsager Theory for strong electrolytes is:

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QUESTION: 19

The unit of A in Debye-Huckel-Onsager equation for strong electrolytes is:

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QUESTION: 20

Which of the following solutions will show the minimum value of transference number of Cl–1 ions:

Solution:

Because  has maximum value of transference no. as co mpared to other cations. Hence will be minimum in 0.1 M HCl solution