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Chemistry - Complete Pblock- Question with Solution | TestHub

ChemistryComplete Pblock-p-Block 13,14Easy2 minPYQ_2020

ChemistryEasysingle choice

The soldiers of Napoleon 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

Options:

Answer:

Solution:

As temperature decreases, white tin $(β - f o r m)$ changes to grey tin $(α - f o r m)$
$α - Sn \overset{{13.2}^{o} C}{⇌} β - Sn$
$α - S n$ has a much lower density then $β - S n$ .

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 13,14

⏱ 2mℹ️ Source: PYQ_2020

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