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Electrochemical series is series of elem...

Electrochemical series is series of elements arranged in increasing order of their reduction potential. `E_(H^(+)|H_(2))=0`. The metals abvoe `H_(2)` have reductioni potential, they are more reactive than hydrogen whereas metals below hydrogen are less reactive than `H_(2)`. Reduction potentials of metal depends upon (i) sublimation energy (ii) ionization energy and hydration energy of ions.
Which of the following cannot displace `H_(2)` from dil acid?

A

Pt

B

Zn

C

Mg

D

Pb

Text Solution

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The correct Answer is:
A
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