JEE Main Chemistry question

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

(A)Coating with red lead oxide
(B)Connecting with 'Pb' block
(C)Connecting with 'Mg' block
(D)White tin platingCorrect

Answer: (D)

Solution

A continuous coating of tin over the submerged iron hull acts as a protective barrier, keeping water and dissolved oxygen away from the iron surface and thereby

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Question ID VK-147461