Redox Reactions And Electrochemistry Ques 634
Question: The Zn acts as sacrificial or cathodic protection to prevent rusting of iron because:
Options:
A) $ {E^{{}^\circ }} _{OP},\text{of }Zn<{E^{{}^\circ }} _{OP}of,Fe $
B) $ {E^{{}^\circ }} _{OP},of,Zn>{E^{{}^\circ }} _{OP},of,Fe $
C) $ {E^{{}^\circ }} _{OP}of,Zn={E^{{}^\circ }} _{OP},of,Fe $
D) Zn is cheaper than iron
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ E_OP^{{}^\circ }ofZn>E_OP^{{}^\circ },ofFe. $
