Chemistry - Complete Pblock- Question with Solution | TestHub
The soldiers of Napolean army while at Alps during freezing winter suffered a serious problem as regards to the tin buttons of their uniforms. White metallic tin buttons got converted to grey powder. This transformation is related to
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Answer:
Solution:
The transformation of white metallic tin buttons to grey powder at low temperatures is known as "tin pest" or "tin disease." This phenomenon is due to an allotropic transformation of tin.
Explanation:
Tin exists in different allotropic forms. At temperatures below , white -tin (metallic, tetragonal structure) slowly transforms into grey -tin (non-metallic, diamond cubic structure), which is brittle and crumbles into powder. This change in crystalline structure caused the buttons to disintegrate.
The final answer is