What is the molar conductivity of 0 · 1 M NaCl if its conductivity is 1 . 06 × 10 - 2 Ω - 1 cm - 1 ?

1 · 06 × 10 2 Ω - 1 cm 2 mol - 1

1 · 06 × 10 - 2 Ω - 1 cm 2 mol - 1

9 · 4 × 10 - 2 Ω - 1 cm 2 mol - 1

5 · 3 × 10 3 Ω - 1 cm 2 mol - 1

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At a fixed concentration, the molar conductance of aqueous sodium hydroxide at $298 K$ is found to be $10 {ohm}^{- 1} . {cm}^{2} . {mol}^{- 1}$ $.$ At infinite dilution and $298 K$ $,$ its molar conductance is found to be $242 {ohm}^{- 1} . {cm}^{2} . {mol}^{- 1}$ $.$ Find the degree of ionization of sodium hydroxide at the same concentration and temperature.

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Important Questions on Electrochemistry

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

What are the units of equivalent conductivity of a solution?

HARD

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

Among the following, the plot that correctly represents the conductometric titration of

0.05 M

H_{2} {SO}_{4}

with

0.1 M {NH}_{4} OH

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

At a particular temperature, the ratio of molar conductance to specific conductance of

0.01 M

NaCl

solution is

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

The molar conductivity of a

0.5 mol {dm}^{- 3}

solution of

A g N O_{3}

with electrolytic conductivity of

5.76 \times 10^{- 3} S c m^{- 1}

298 K

HARD

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

Resistance of 0.2 M solution of an electrolyte is

50 Ω

. The specific conductance of the solution is

{1.4 S m}^{-1}

. The resistance of 0.5 M solution of the same electrolyte is

280 Ω

. The molar conductivity of 0.5 M solution of the electrolyte in

{S m}^{2} {mol}^{-1}

is :

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

If the resistivity of

0.1 M KCl

solution is

50 Ω cm .

What is its molar conductivity?

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

Ionic mobility of

{Ag}^{+}

(λ_{{Ag}^{+}} = 5 \times 10^{- 1} {ohm}^{- 1} {cm}^{2} {eq}^{- 1})

HARD

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

A $5.0 m mol {dm}^{- 3}$ aqueous solution of $KCl$ has a conductance of $0.55 mS$ when measured in a cell constant $1.3 {cm}^{- 1}$ . The molar conductivity of this solution is _______ ${mSm}^{2} {mol}^{- 1}$ . (Round off to the Nearest Integer)

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

The variation of molar conductively with concentration of an electrolyte (X) in aqueous solution is shown in the given figure.

Question Image

The electrolyte X is :

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

The pair of electrolytes that possess same value for the constant

(A)

in the Debye - Huckel - Onsagar equation,

λ_{m} = λ_{m} ° - A \sqrt{C}

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

The molar conductivities of

HCl, NaCl, {CH}_{3} COOH

and

{CH}_{3} COONa

at infinite dilution follow the order

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

Consider the statements

S 1

and

S 2

S 1

: Conductivity always increases with decreases in the concentration of electrolyte.

S 2

: Molar conductivity always increases with decreases in the concentration of electrolyte.
The correct option among the following

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

KCl

solution of conductivity

0.14 S m^{- 1}

shows a resistance of

4.19 Ω

in a conductivity cell. If the same cell is filled with an

HCl

solution, the resistance drops to

1.03 Ω

. The conductivity of the HCl solution is ____

\times 10^{- 2} S m^{- 1}

. (Round off to the Nearest Integer).

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

The molar conductivities of

NaOH, NaCl

and

{BaCl}_{2},

at infinite dilution are

2.481 \times 10^{- 2} {Sm}^{2} {mol}^{- 1} 1.265 \times 10^{- 2} {Sm}^{2} {mol}^{- 1}

and

2.800 \times 10^{- 2} {Sm}^{2} {mol}^{- 1}

respectively. The molar conductivity of

Ba {(OH)}_{2}

. at infinite dilution will be

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

The molar conductivity at infinite dilution of barium chloride, sulphuric arid and hydrochloric acid are

280, 860

426 {Scm}^{2} {mol}^{- 1}

respectively. The molar conductivity at infinite dilution of barium sulphate is ___

{Scm}^{2} {mol}^{- 1}

( Round off to the Nearest Integer).

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

Given below are two statements:
Statement I : The limiting molar conductivity of $KCl$ (strong electrolyte) is higher compared to that of $\mathrm{CH}_{3} \mathrm{COOH}$ (weak electrolyte).
Statement II : Molar conductivity decreases with decrease in concentration of electrolyte.

In the light of the above statements, choose the most appropriate answer from the options given below:

EASY

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

The resistance of

0.01 M KCl

solution at

298 K

1500 Ω .

If the conductivity of

0.01 M KCl

solution at

298 K

0.1466 \times 10^{- 3} S {cm}^{- 1} .

The cell constant of the conductivity cell in

{cm}^{- 1}

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

What is the molar conductivity of

0 \cdot 1 M NaCl

if its conductivity is

1.06 \times 10^{- 2} Ω^{- 1} {cm}^{- 1}

MEDIUM

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

Which of the following electrolytic solution has the least specific conductance

HARD

Chemistry>Physical Chemistry>Electrochemistry>Conductance in Electrolytic Solutions

Which one of the following graphs between molar conductivity

(Λ_{m})

versus

\sqrt{C}

is correct?

Important Questions on Electrochemistry

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