Electrochemistry Ques 61

61. The most convenient method to protect the bottom of ship made of iron is

[2001]

(a) Coating it with red lead oxide

(b) White tin plating

(c) Connecting it with Mg block

(d) Connecting it with Pb block

Show Answer

Answer:

Correct Answer: 61.(c)

Solution:

(c) For bottom of ship to be protected, it is connected with more reactive metal than iron likemagnesium. This technique is called cathodic protection.



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