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. $



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