Solveeit Logo

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+K ^{+}, Mg ^{2+}, Zn ^{2+}, Cu ^{2+} increases in this order.