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Byju's Answer

Standard XII

Chemistry

Representation of Cell

Consider the ...

Question

Consider the cell
$P b (s) + {H g}_{2}^{2 +} (a q) ⇌ {P b}^{2 +} + H g (l)$ voltage of the cell can be increased by?

Putting a

P b

plate havind higher surface area

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Increasing the density of

{P b}^{2 +}

ions

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Increasing the molarity of

{H g}_{2}^{2 +}

ions

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Using a salt bridge

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Solution

The correct option is A Putting a $P b$ plate havind higher surface area
Voltage can be increased by increasing the number of ions in the solution. This can be done by putting a Pb plate having higher surface area so that maximum number of ions can be generated.

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Similar questions

Q. Standard cell voltage for the cell

P b / P b^{2 +} | | S n^{2 +} / S n

- 0.01 V

. if the cell is to exhibits

E_{c e l l} = 0

, the value of

l o g [S n^{2 +} / [P b^{2 +}]

should be:

During the working of the cell :

P b - H g (1.0 M) | P b^{2 +} (a q) (1 M) | P b^{2 +} (a q) (1 M) | | P b - H g (0.5 M) |

P b S

has

N a C l

type structure. The shortest distance between

P b^{2 +}

and

S^{2 -}

ions is

297 p m

. What is the volume of unit cell of

P b S

$E^{\circ}$ for some half cell reactions are given below
$S n^{+ 4} + 2 e^{-} \to S n^{2 +}; E^{\circ} = 0.151 V$
$2 H g^{2 +} + 2 e \to H g_{2}^{2 +}; E^{\circ} = 0.92 V$
$P b O_{2} + 4 H^{+} 2 e^{-} \to P b^{2 +} + 2 H_{2} O; E^{\circ} = 1.45 V$
Based on the given data which statement is correct.

Q. If

E_{(P b^{2 +} | P b)}^{⊖} = - 0.126 V, E_{(Z n^{2 +} | Z n)}^{⊖} = - 0.763 V

25^{\circ} C

, calculate EMF of the cell:

Z n | Z n^{2 +} (1 M) | | P b^{2 +}

(1 M) | Pb. If an excess of metallic zn added to 1 M concentration of

P b^{2 +}

ions, The concentration of

P b^{2 +}

ions at equilibrium is

2.5 \times 10^{- x} M

value of x is..............

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Consider the cellPb(s)+Hg2+2(aq)⇌Pb2++Hg(l) voltage of the cell can be increased by?

The correct option is A Putting a Pb plate havind higher surface areaVoltage can be increased by increasing the number of ions in the solution. This can be done by putting a Pb plate having higher surface area so that maximum number of ions can be generated.

Consider the cell
$P b (s) + {H g}_{2}^{2 +} (a q) ⇌ {P b}^{2 +} + H g (l)$ voltage of the cell can be increased by?

The correct option is A Putting a $P b$ plate havind higher surface area
Voltage can be increased by increasing the number of ions in the solution. This can be done by putting a Pb plate having higher surface area so that maximum number of ions can be generated.