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JEE MAIN 2024
27-01-24 S2
Question
Which of the following statements is not correct about rusting of iron?
Select the correct option:
A
Coating of iron surface by tin prevents rusting, even if the tin coating is peeling off.
B
When pH lies above 9 or 10, rusting of iron does not take place.
C
Dissolved acidic oxides $\mathrm{SO}_2, \mathrm{NO}_2$ in water act as catalyst in the process of rusting.
D
Rusting of iron is envisaged as setting up of electrochemical cell on the surface of iron object.
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
As tin coating is peeled off, then iron is exposed to atmosphere.
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