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Four successive members of the first ser...

Four successive members of the first series of transition metals are listed below. For which one of the of standard potential `(E_(M^(2+)//M)^(@))` value has a positive sign ?

A

`Ni(Z=28)`

B

`Cu(Z=29)`

C

`Fe(Z=26)`

D

`Co(Z=27)`

Text Solution

Verified by Experts

The correct Answer is:
B
In ECS Cu is lower then hydrogen
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