Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 5

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Electrolytic conduction differs from metallic conduction from the fact that in the former:

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Important Questions on Electrochemistry

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 6

The specific conductance of a

0.01 M

solution of

KCl

is

0.0014 ohm {}^{- 1} {cm}^{- 1}

at

25 ° C

. Its equivalent conductance

({cm}^{2} ohm^{- 1} equiv^{- 1})

is:

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 7

Which one of the following is wrong?

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 8

At infinite dilution, the equivalent conductances of

{CH}_{3} COONa

,

HCl

and

{CH}_{3} COOH

are

91

,

426

and

391 mho {cm}^{2} {eq}^{- 1}

, respectively, at

25 ° C

. The equivalent conductance of

NaCl

(in mho {cm}^{2} {eq}^{- 1})

at infinite dilution will be

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 9

The equivalent conductivity of

0.1 N {CH}_{3} COOH

at

25 ° C

is

80

and at infinite dilution

400 .

The degree of dissociation of

{CH}_{3} COOH

is:

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 10

The limiting molar conductivities

Λ °

for

N a C l, K B r

and

K C l a r e 126, 152

and

150 S {c m}^{2} {m o l}^{- 1}

respectively. The

Λ °

for

N a B r

is

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 12

The molar conductivitites

\land °_{NaOAC}

and

\land °_{HCl}

at infinite dilution in water at

25 ° C

are 91.0 and 426.2 S

{cm}^{2} / mol

respectively. To calculate

\land °_{HOAC},

the additional value required is –

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 14

The conductivity of a saturated solution of

{BaSO}_{4}

is

3.06 \times 10^{- 6} {ohm}^{- 1} {cm}^{- 1}

and its molar conductance is

1.53 ohm {}^{- 1}{cm}^{- 1} {mol}^{- 1}

. The

K_{sp}

of

{BaSO}_{4}

will be:

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Beta Question Bank for Medical: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-I (Conceptual Questions)>Q 15

In the galvanic cell $Cu |{Cu}^{2 +} (1 M)| |{Ag}^{+} (1 M)| Ag,$ the electrons will travel in the external circuit: