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The standard reduction potential of Pb a...

The standard reduction potential of Pb and Zn electrodes are `-0.126` and `-0.763 V` respectively. The cell equation will be

A

The overall cell reaction is a spontaneous reaction .

B

The standard EMF of the cell is `-0.27 V`

C

The standard EMF of the cell is `-0.77V`

D

The standard EMF of the cell is `0.27` V .

Text Solution

Verified by Experts

The correct Answer is:
B
`E_(cell)^(@) = E_("cathode")^(@) - E_("anode")^(@)`
`= 0.25 - 0.52 = -0.27` V
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MODERN PUBLICATION-ELECTROCHEMISTRY -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) B MULTIPLE CHOICE QUESTIONS
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