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Electrochemistry > Electrochemical Cell > Flashcards

Electrochemical Cell Flashcards

1
Q

Anode pr

A

Oxidation
With negative sign

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2
Q

Anode present on left side

A

Galvanic cell or voltaic cell

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3
Q

Anode present on right side

A

Electrolytic cell

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4
Q

ABC ( only for galvanic cell )

A

Anode salt bridge cathode

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5
Q

Salt bridge represented by
Phase line represented by

A

Double line ll
Single line

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6
Q

Zn and cu ke electrode hai to uss cell ko kya kahenge

A

Danie cell
Daniel cell is a galvanic cell

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7
Q

Whenever oxidation occur reduction occur it’s vice versa

A
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8
Q

Dry cell [ TV remote ki battery ]

A
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9
Q

Electron electrolyte me move nhi kr pattern isliye hum

A

Wire use krte hai

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10
Q

Types of electrochemical cell

A

Galvanic
Reversible
Electrolytic cell

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11
Q

In galvanic cell
Electrolytic cell is just opposite

A

Chemical energy changes to electrical

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12
Q

Cell jo Daniel cell ka 1.1 volt hai agr internal battery ka Ecell 1.1 se zada ho to reaction reversed ho jaati hai

A

Reduction yo oxidation hone lagta hai
Jab anode right side aa jaaye to wo electrolytic cell ban jata hai

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13
Q

Jab battery or Daniel cell ka Ecell equal ho jaaye tb

A

Reaction stop ho jayegie
Iss cell ko reversible cell kahte hai

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14
Q

Electrode potential

A

It is the potential difference generated between meal and electrolytic solution of same metal

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15
Q

Electrode potential

A

It is the potential difference generated between meal and electrolytic solution of same metal

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16
Q

When hydrogen electrode act as cathode

A

Means reduction takes place
2H+…gains 2e and convert to H2 (g)

17
Q

When hydrogen electrode act as cathode

A

Means reduction takes place
2H+…gains 2e and convert to H2

18
Q

When hydrogen act as anode

A

Oxidation occur
H2(g) =2H+(aq) and 2e

19
Q

Reduction potential of hydrogen electrode

A

Is zero

20
Q

Cell representation of hydrogen electrode

A

Anode = pt(s) l H2(g) (1atm) l H+(aq) (1M)
Cathode = pt(s) l H+(aq) (1M) l H2(g) (1atm)

Electrochemistry (4 decks)

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