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  4. How many of the following will have negative standard reduction potentials? K,Na,Ag,Zn,Li,Cu,Hg

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Q. How many of the following will have negative standard reduction potentials?
$K,Na,Ag,Zn,Li,Cu,Hg$

NTA AbhyasNTA Abhyas 2022

Solution:

The standard hydrogen electrode potential is zero. Those metals which are placed above the hydrogen have negative standard reduction potentials.
$K,Na,Zn$ and $Li$ have negative standard reduction potentials.