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Questions and Answers
The number of spheres surrounded by octahedral void is 4.
The number of spheres surrounded by octahedral void is 4.
False
Tar is an example of an amorphous solid.
Tar is an example of an amorphous solid.
True
A paired cation-anion vacancy is called a Frenkel defect.
A paired cation-anion vacancy is called a Frenkel defect.
False
The number of atoms in a simple cubic unit cell is 1.
The number of atoms in a simple cubic unit cell is 1.
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The coordination number of spheres in an hcp lattice in three dimensions is 6.
The coordination number of spheres in an hcp lattice in three dimensions is 6.
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If the edge length of a bcc unit cell is 4.3×10^-8 cm, the radius of a sodium atom is 1.86×10^-8 cm.
If the edge length of a bcc unit cell is 4.3×10^-8 cm, the radius of a sodium atom is 1.86×10^-8 cm.
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In a bcc structure, atoms of compound X are present at the center of the cube.
In a bcc structure, atoms of compound X are present at the center of the cube.
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The space occupied by particles in a primitive unit cell is 52.4%.
The space occupied by particles in a primitive unit cell is 52.4%.
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The density of a substance can be directly calculated from its packing efficiency and unit cell edge length.
The density of a substance can be directly calculated from its packing efficiency and unit cell edge length.
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F-centers are a type of stoichiometric point defect.
F-centers are a type of stoichiometric point defect.
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Ferromagnetic solids exhibit magnetic properties only at absolute zero temperature.
Ferromagnetic solids exhibit magnetic properties only at absolute zero temperature.
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The unit of Henry's law constant can be expressed as mol L-1 bar-1.
The unit of Henry's law constant can be expressed as mol L-1 bar-1.
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Conductors have higher resistivity compared to insulators.
Conductors have higher resistivity compared to insulators.
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The edge length of the bcc unit cell for niobium is shorter than 330.6 pm.
The edge length of the bcc unit cell for niobium is shorter than 330.6 pm.
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Colligative properties of solutions depend on the number of solute particles present.
Colligative properties of solutions depend on the number of solute particles present.
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NaCl shows a Frenkel defect.
NaCl shows a Frenkel defect.
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The cubic crystal system contains four Bravais lattices.
The cubic crystal system contains four Bravais lattices.
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The number of atoms in a bcc unit cell is 4.
The number of atoms in a bcc unit cell is 4.
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AgI is an example of a solid that can exhibit Frenkel defect.
AgI is an example of a solid that can exhibit Frenkel defect.
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CaF2 is known to demonstrate a Schottky defect.
CaF2 is known to demonstrate a Schottky defect.
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The tetragonal crystal system contains three Bravais lattices.
The tetragonal crystal system contains three Bravais lattices.
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The orthorhombic crystal system consists of five Bravais lattices.
The orthorhombic crystal system consists of five Bravais lattices.
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Zns does not show Frenkel defect.
Zns does not show Frenkel defect.
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Monoclinic crystal system has only two Bravais lattices.
Monoclinic crystal system has only two Bravais lattices.
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Chalcogenides like AgI can demonstrate lattice defects.
Chalcogenides like AgI can demonstrate lattice defects.
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Transitions between different crystal systems can exhibit defect variations.
Transitions between different crystal systems can exhibit defect variations.
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The volume occupied by particles in a simple cubic unit cell with a total volume of $6.817×10^{-23} cm^3$ is $3.57×10^{-23} cm^3$.
The volume occupied by particles in a simple cubic unit cell with a total volume of $6.817×10^{-23} cm^3$ is $3.57×10^{-23} cm^3$.
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In a body-centered cubic (bcc) structure, the coordination number of atoms is 8.
In a body-centered cubic (bcc) structure, the coordination number of atoms is 8.
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A compound with a density of 0.97 g/cm3 and a molar mass of 23 g/mol has a sodium atom radius of $1.86×10^{-8} cm$.
A compound with a density of 0.97 g/cm3 and a molar mass of 23 g/mol has a sodium atom radius of $1.86×10^{-8} cm$.
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The number of tetrahedral voids in a crystal with N/2 atoms is equal to N.
The number of tetrahedral voids in a crystal with N/2 atoms is equal to N.
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The vapor pressure of a solution containing 6 g of solute (M=60 g/mol) in 50 g of solvent is 0.02188 bar.
The vapor pressure of a solution containing 6 g of solute (M=60 g/mol) in 50 g of solvent is 0.02188 bar.
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Reverse osmosis involves the movement of solvent from a region of lower solute concentration to a region of higher solute concentration.
Reverse osmosis involves the movement of solvent from a region of lower solute concentration to a region of higher solute concentration.
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A 2M copper sulfate solution has a higher vapor pressure than pure solvent water.
A 2M copper sulfate solution has a higher vapor pressure than pure solvent water.
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Gold crystallizing in an fcc unit cell with an edge length of 408 pm has a density of 19.27 g/cm3.
Gold crystallizing in an fcc unit cell with an edge length of 408 pm has a density of 19.27 g/cm3.
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Positive deviations from Raoult’s law occur when the interaction between solute and solvent molecules is weaker than the interaction among the solvent molecules.
Positive deviations from Raoult’s law occur when the interaction between solute and solvent molecules is weaker than the interaction among the solvent molecules.
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The number of octahedral voids in 0.5 mol of a compound forming an hcp structure is $3.011x10^{23}$.
The number of octahedral voids in 0.5 mol of a compound forming an hcp structure is $3.011x10^{23}$.
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According to Raoult’s law, the relative lowering of vapor pressure is equal to the mole fraction of solute.
According to Raoult’s law, the relative lowering of vapor pressure is equal to the mole fraction of solute.
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The freezing point depression constant of a solvent is expressed in K kg mol⁻¹.
The freezing point depression constant of a solvent is expressed in K kg mol⁻¹.
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A bcc lattice has a packing efficiency of 52.4%.
A bcc lattice has a packing efficiency of 52.4%.
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The freezing point of a solvent is raised by dissolving a nonvolatile solute into it.
The freezing point of a solvent is raised by dissolving a nonvolatile solute into it.
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The unit cell edge length of a bcc structure is directly equal to the diameter of its atom.
The unit cell edge length of a bcc structure is directly equal to the diameter of its atom.
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Both 0.1M urea solution and 0.1M sucrose solution have the same osmotic pressure.
Both 0.1M urea solution and 0.1M sucrose solution have the same osmotic pressure.
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A 0.1 M solution of acetic acid exhibits a percentage dissociation of 10%.
A 0.1 M solution of acetic acid exhibits a percentage dissociation of 10%.
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H3O+ and H2O form a conjugate acid-base pair.
H3O+ and H2O form a conjugate acid-base pair.
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The solubility of a gas increases with the increase in its partial pressure according to Henry’s law.
The solubility of a gas increases with the increase in its partial pressure according to Henry’s law.
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A solution that exhibits positive deviations from Raoult’s law has a lower vapor pressure than predicted.
A solution that exhibits positive deviations from Raoult’s law has a lower vapor pressure than predicted.
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Ionic precipitation occurs when the ionic product (IP) is less than the solubility product (Ksp).
Ionic precipitation occurs when the ionic product (IP) is less than the solubility product (Ksp).
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The buffer system in blood that helps maintain pH is primarily made up of bicarbonate (HCO3-) and carbonic acid (H2CO3).
The buffer system in blood that helps maintain pH is primarily made up of bicarbonate (HCO3-) and carbonic acid (H2CO3).
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The SI unit of cryoscopic constant is mol kg⁻¹.
The SI unit of cryoscopic constant is mol kg⁻¹.
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The total vapor pressure of a mixture is the sum of the individual vapor pressures of its components.
The total vapor pressure of a mixture is the sum of the individual vapor pressures of its components.
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Description
Test your understanding of key concepts in solid state chemistry, including unit cells, defects, and properties of materials. This quiz covers essential ideas like packing efficiency, coordination numbers, and various types of solids.
