JEE Main Chemistry question

Chemistry Electrochemistry JEE Main

Stainless steel does not rust because

(A)Chromium and nickel combine with iron
(B)Chromium forms an oxide layer and protects iron from rustingCorrect
(C)Nickel present in it does not rust
(D)Iron forms a hard chemical compound with chromium present in it

Answer: (B)

Solution

Chromium in stainless steel forms a thin, adherent, protective chromium oxide

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Question ID VK-143685