Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 102

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$V_{1}$ $Litre$ of solution $A$ (Resistance $= 50$ $ohm$ ) is mixed with $V_{2}$ $Litre$ of solution $B$ (Resistance $= 100$ $ohm$ ). Resistance of final solution is $80 ohm$ then $\frac{V_{2}}{V_{1}}$ will be (using same cell)

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Important Questions on Electrochemistry

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 103

The ionisation constant of a weak acid electrolyte is

25 \times 10^{- 6}

, while the equivalent conductance of its

0.01 M

solution is

19.6 S {cm}^{2} {eq}^{- 1}

. The equivalent conductance of the electrolyte at infinite dilution (in

S {cm}^{2} {eq}^{- 1}

) will be:

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 104

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

. The

K_{sp}

for

{BaSO}_{4}

will be:

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 105

Molar conductance of

0.1 M

acetic acid is

7 {ohm}^{- 1} {cm}^{2} {mol}^{- 1} .

If the molar conductance of acetic acid at infinite dilution is

380.8 {ohm}^{- 1} {cm}^{2} {mol}^{- 1},

the value of dissociation constant will be:

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 107

Molar conductances of

{BaCl}_{2}, H_{2} {SO}_{4}

and

HCl

at infinite dilutions are

x_{1}, x_{2}

and

x_{3}

, respectively. Equivalent conductance of

{BaSO}_{4}

at infinite dilution will be:

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 109

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The following curve for the conductometric titration is obtained when -

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 112

Name the compound which is used to obtain fluorine gas on electrolysis. At which electrode does

F_{2}

appears?

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-2>Q 1

Given:

E ° ({Cu}^{2 +} ∣ Cu) = 0.337 \lor

and

E ° ({Sn}^{2 +} ∣ Sn) = - 0.136 \lor .

Which of the following statements is correct?

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Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-2>Q 2

Red hot carbon will remove oxygen from the oxide

AO

and

BO

but not from

MO,

while

B

will remove oxygen from

AO

. The activity of metals

A

,

B

and

M

in decreasing order is: