Redox Reactions And Electrochemistry Ques 5
Question: The metal used in galvanizing of iron is [MP PET 1985, 96]
Options:
A) $ Pb $
B) $ Zn $
C) $ Al $
D) $ Sn $
Show Answer
Answer:
Correct Answer: B
Solution:
$ Z{{n}^{2+}}/Zn.,E^{o}=-0.76,V $ $ A{{l}^{3+}}/AlE^{o}=-1.662 $ $ S{{n}^{2+}}/Sn,E^{o}=-0.136 $ $ P{{b}^{2+}}/Pb,E^{o}=-0.126 $ In galvanizing action $ Zn $ is coated over iron.
