Question
Chemistry Question on GROUP 1 ELEMENTS
Which of the following is the correct order of chemical reactivity with water according to electrochemical series ?
A
K > Mg > Zn > Cu
B
K > Mg > Cu > Zn
C
Cu > Zn > K > Mg
D
Mg > K > Cu > Zn
Answer
K > Mg > Zn > Cu
Explanation
Solution
The standard reduction potential of K+,Mg2+,Zn2+,Cu2+ increases in this order.