Tin is unaffected by air at ordinary temperature due to its?
The correct answer is: B
Explanation
Tin is unaffected by air even at ordinary temperature because it forms a thin, protective oxide layer on it's surface.
None of the options provided directly explain why tin is unaffected by air. However, for the sake of the examination and choosing the best among the four options, it will be weak electropositive character, as it implies that tin is less reactive.
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