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NCERT Class XII Chemistry
Chapter - The Solid State
Questions with Solutions

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Question : 49
Total: 50
A group 14 element is to be converted into n-type semiconductor by doping it with a suitable impurity. To which group should this impurity belong?
Solution:  
n-type semicondcutor means conduction due to presence ofexcess of electrons. Therefore, to convert group 14 element into n-typesemicondutor, it should be doped with group 15 element.
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