Chemistry - Solid State Question with Solution | TestHub
ChemistrySolid StateElectrical Properties of SolidsEasy2 minPYQ_2020
ChemistryEasysingle choice
Addition of arsenic in small amounts to pure germanium will result in the formation of
Options:
Answer:
A
Solution:
Arsenic in a group 15 element having '5' valence electrons. When arsenic is added to germanium, only four of five electrons involved in bonding. The remaining fifth electron remains loosely held with arsenic atom. Thus, each arsenic atom has one loosely held electron, which acts as charge carrier to form n-type semiconductor.
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Solid StateSubtopic:Electrical Properties of Solids
⏱ 2mℹ️ Source: PYQ_2020
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