a
Sodium
b
Silver
c
Potassium
d
Copper
Explanation
Correct Option
cNo explanation available
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Discussions (7)

MAGISTER
9 years ago
Here is an explanation:
The easier a metal loses its valence electron the stronger it is rated.the activity series is an arrangement of the metals according to their electropositivity[ease of loss of electron or strength]potassium is the most electropositive metal followed by sodium

anonymous_plutocrat
9 years ago
The selected answer is wrong:
Sodium is the answer according to the electrochemical series and standard potential table
REF: understanding chemistry

