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XII/ Solid state/ test 01

Name of the student *

1. Assertion (A): The diagram shows Schottky defect.Reason (R): Schottky defect occurs in ionic solids.

1 point

Both A and R are true but R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true R is false

A is false R is true

Other:

Clear selection

2. Assertion (A): The crystal lattice density increases due to the defect shown in the diagram.Reason (R): Tetrahedral voids are surrounded by 4 constituent particles.

1 point

Both A and R are true but R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true R is false

A is false R is true

Other:

Clear selection

3. Assertion (A): AgCl shows Frenkel defect while NaCl does not.Reason (R): Frenkel defect is shown when anionic vacancies are occupied by unpaired electrons

1 point

Both A and R are true but R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true R is false

A is false R is true

Other:

Clear selection

4. Assertion (A): LiCl Crystal is pink.Reason (R): Pink colour of LiCl crystal is due to excess Lithium

1 point

Both A and R are true but R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true R is false

A is false R is true

Other:

Clear selection

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