If NaCl is doped with 10^-4 mol% of SrCl₂ the concentration of cation vacancies will be
(N_A = 6.02 x 10²³ mol^-1):

6.02 x 10¹⁵ mol^-1

6.02 x 10¹⁶ mol^-1

6.02 x 10¹⁷

6.02 x 10¹⁴

Solution

6.02 x 10¹⁵ mol^-1

If NaCl is doped with 10^-4 mol% of SrCl₂,
2 Na⁺ ions doped by Sr²⁺ N_A = 6.02 x 10²³
The concentration of cation vacancies
= 6.02 x 10²³ x10^-8
= 6.02 x 10¹⁵ mol^-1

Some More Questions From The Solid State Chapter

Why is glass considred a super-cooled liquid?

Refractive index of a solid is observed to have the same value along all directions. Comment on the nature of this solid. Would it show clevage property?

Classify the following solids in different categories based on the nature of intermolecular forces operating in them:
Potassium sulphate, tin, benzene, urea, ammonia, water, zinc
sulphate, graphite, rubidium, argon, silicon carbide.

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The Solid State

If NaCl is doped with 10^-4 mol% of SrCl₂ the concentration of cation vacancies will be
(N_A = 6.02 x 10²³ mol^-1):

6.02 x 10¹⁵ mol^-1

6.02 x 10¹⁶ mol^-1

6.02 x 10¹⁷

6.02 x 10¹⁴

Some More Questions From The Solid State Chapter

Why is glass considred a super-cooled liquid?

Refractive index of a solid is observed to have the same value along all directions. Comment on the nature of this solid. Would it show clevage property?

Classify the following solids in different categories based on the nature of intermolecular forces operating in them:
Potassium sulphate, tin, benzene, urea, ammonia, water, zinc
sulphate, graphite, rubidium, argon, silicon carbide.

Solid A is a very hard, electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?

Ionic solids conduct electricity in liquid state but not in solid state. Explain.

What type of solids are electrical conductors, malleable and ductile?

Give the significance of a 'lattice point'.

Name the parameters that characterize a unit cell.

Distinguish between Hexagonal and monoclinic unit cells.

Distinguish between Face-centred and end-centred unit cells.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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The Solid State

If NaCl is doped with 10-4 mol% of SrCl2 the concentration of cation vacancies will be (NA = 6.02 x 1023 mol-1): 6.02 x 1015 mol-1 6.02 x 1016 mol-1 6.02 x 1017 6.02 x 1014

Some More Questions From The Solid State Chapter

Why is glass considred a super-cooled liquid?

Refractive index of a solid is observed to have the same value along all directions. Comment on the nature of this solid. Would it show clevage property?

Classify the following solids in different categories based on the nature of intermolecular forces operating in them: Potassium sulphate, tin, benzene, urea, ammonia, water, zinc sulphate, graphite, rubidium, argon, silicon carbide.

Solid A is a very hard, electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?

Ionic solids conduct electricity in liquid state but not in solid state. Explain.

What type of solids are electrical conductors, malleable and ductile?

Give the significance of a 'lattice point'.

Name the parameters that characterize a unit cell.

Distinguish between Hexagonal and monoclinic unit cells.

Distinguish between Face-centred and end-centred unit cells.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

If NaCl is doped with 10^-4 mol% of SrCl₂ the concentration of cation vacancies will be
(N_A = 6.02 x 10²³ mol^-1):

6.02 x 10¹⁵ mol^-1

6.02 x 10¹⁶ mol^-1

6.02 x 10¹⁷

6.02 x 10¹⁴

Classify the following solids in different categories based on the nature of intermolecular forces operating in them:
Potassium sulphate, tin, benzene, urea, ammonia, water, zinc
sulphate, graphite, rubidium, argon, silicon carbide.