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Question

A voltaic cell is represented as:
A(s)|A2+(aq)||B2+(aq)|B(s)
Which of the following statements is false regarding the above cell ?

A
None of the above
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B
The cell reactions are represented as A2+(aq)+2eA(s) and B(s)B2+(aq)+2e
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C
The double vertical line indicates salt bridge
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D
A is called the anode and B is called the cathode
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Solution

The correct option is B The cell reactions are represented as A2+(aq)+2eA(s) and B(s)B2+(aq)+2e
For the given cell representation:

A(s)|A2+(aq)||B2+(aq)|B(s)
The vertical lines || indicate the salt bridge.
A (left side) is at anode so it oxidies, and it will be represented as an oxidation half reaction, whereas B (right side) is at cathode and it reduces so it is represented by reduction half reaction
The cell reactions are represented as
A(s)A2+(aq)+2e
and
B2+(aq)+2eB(s)

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