solid state class 12 mcq

MCQ Questions Class 12 Chemistry | Chapter 1 Solid State Class 12 MCQ with answer

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Solid State Class 12 MCQ on Topic- Defects

Q. Irregularities in the ideal arrangement is called

  1. Point defect
  2. Line defect
  3. Electronic defect
  4. Defect

Defect or Imperfection

Q.Vacant lattice site is called ___

  1. F-centre
  2. Kernel
  3. Anion vacancy
  4. Vacancy

Vacancy

Q. Which defect do not disturb the stoichiometry

  1. Stoichiometric defect
  2. Anion vacancy
  3. F- centre
  4. Cation vacancy

Stoichiometric defect

Q.Vacancy defect is found in ___

  1. Schottky defect
  2. Frenkel defect
  3. Line defect
  4. Both a & b

Both a & b i.e scottky as well as frenkel

Q.Which defect lowers the density

  1. Schottky defect
  2. Frenkel defect
  3. Interstitial defect
  4. Both a & b

Schottky defect

Q.Which defect is shown by AgBr

  1. Schottky defect
  2. Frenkel defect
  3. Line defect
  4. Both a & b

Both a & b schottky as well as frenkel

Q.The compound having high coordination number show

  1. Schottky defect
  2. Frenkel defect
  3. Line defect
  4. Both a & b

Schottky defect

Q.F – centre are formed in

  1. Schottky defect
  2. Frenkel defect
  3. Metal  excess defect
  4. Metal deficiency defect

Metal  excess defect i.e anion vacancy

Q.In which defect cation and anion are of almost similar size

  1. Schottky defect
  2. Frenkel defect
  3. Metal  excess defect
  4. Metal deficiency defect

Schottky defect

Q.In case of extra cation in interstitial, electrical conductivity is maintained by

  1. Electron in anion vacancy
  2. Electron in cation vacancy
  3. Electron in interstitial site
  4. All

Electron in interstitial site

Q.F –centre is responsible for

  1. Structure of solid
  2. Shape of solid
  3. Colour of solid
  4. All

Colour of solid

Q.Which defect is not common in solid

  1. Anion vacancy
  2. Extra cation in interstitial site
  3. Cation vacancy
  4. Extra anion in interstitial site

Extra anion in interstitial site

Q.Which one is responsible for frenkel defect

  1. Positive ion
  2. Negative ion
  3. Both
  4. Kernel

Positive ion

Q.On addition SrCl2 to AgCl give-

  1. One vacancy
  2. Two vacancy
  3. Three vacancy
  4. None

One vacancy

Q.The process of addition of impurity to insulator  is called-

  1. Semiconductor
  2. Conductor
  3. Doping
  4. Defect

Doping

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