Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-1>Q 37

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The oxidation potential of a hydrogen electrode at pH=10 and $P_{H_{2}} = 1$ is:

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Important Questions on Electrochemistry

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-1>Q 38

The conductivity of a saturated solution of

{Ag}_{3} {PO}_{4}

is

9 \times 10^{- 6} S m^{- 1}

and its equivalent conductivity is

1.50 \times 10^{- 4} S m^{2}

equivalent

{}^{- 1}.

The

K_{sp}

of

{Ag}_{3} {PO}_{4}

is : -

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-1>Q 39

A saturated solution in

AgA (K_{sp} = 3 \times 10^{- 14})

and

Ag (K_{sp} = 1 \times 10^{- 14})

has conductivity of

375 \times 10^{- 10} {Scm}^{- 1}

and limiting molar conductivity of

{Ag}^{+}

and

A^{-}

are

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

and

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

respectively then what will be the limiting molar conductivity of

(B^{-} in {Scm}^{2} {mol}^{- 1})

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-1>Q 40

Na

-Amalgam is prepared by electrolysis of

aq .

NaCl

solution using

10 gm Hg

cathode. How many Faraday's of electricity is required to prepare

18.7 %

Na

-Amalgam.

(current Eff . = 50 %)

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-1>Q 41

Calomel is the name of:

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-2>Q 1

What a lead storage is discharged :-

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-2>Q 2

Fe

is reacted with

1.0 MHCl . E °

for

Fe / {Fe}^{2 +} = + 0.34 volt .

The correct observation

(s)

regarding this reaction is/are :-

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-2>Q 3

The standard electrode potential (reduction) of

{Ag}^{+} ∣ Ag

is

0.800 V

at

25 ° C .

Its electrode potential in a solution containing

10^{- 3} M

ion of

{Ag}^{+}

ions is :

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Beta Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>EXERCISE-2>Q 5

The solubility product of silver iodide is

8.3 \times 10^{- 17}

and the standard reduction potential of

Ag, {Ag}^{+}

electrode is

+ 0.8 volts

at

25 ° C

. The standard reduction potential of

Ag, AgI | I^{-}

electrode from these data is: