The Solid State

Question 213
CBSEENCH12005561

Name an element with which germanium can be doped to produce an n-type semiconductor.

Solution

arsenic (As) or phosphorus (P).

Question 214
CBSEENCH12005562

What is the nature of crystal defect produced when sodium chloride is doped with MgCl2?

Solution

2Na+ will replaced by Mg2+ ion to maintain electrical neutrality thus ahole created for lattice site for every Mg2+ ion introduce thus the defect produced will schottky defect

Question 215
CBSEENCH12005563

What happens when a ferromagnetic substance is subjected to high temperature?

Solution

When ferromagnetic substance is subjected to high temperature it loses its magnetic property and become paramagnetic in nature this happen due to disorder ness in electronic arrangment.

Question 216
CBSEENCH12005564

Name a substance which on addition to AgCl causes cation vacancy in it.

Solution

Cadium chloride is substance which on addition to AgCl cause cation vacancy in it.

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