Q. Which will reduce zinc oxide to zinc?
A) Mg
B) Pb
C) Cu
D) Fe
Explanation
(a)
Magnesium is more electropositive than zinc, hence it can reduce ${Zn}^{2 +}$ (magnesium is placed above zinc in electrochemical series).
$Mg\ + \ ZnO\ \rightarrow \ MgO\ + \ Zn$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.