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

Solid State Class 12 MCQ on Topic -Unit Cell and Parameters

Q.Smallest repeating unit of lattice is called

1. Lattice point
2. Crystal
3. Unit cell
4. All

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Q.The points representing the position of atom in lattice are called

1. Crystal lattice
2. Face centred cell
3. Unit cell
4. Lattice point

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Q.In the simple cubic unit cell, atoms are present

1. At face centre
2. At edge centre
3. At corner
4. At body centre

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Q.Point at face centre is shared by

1. 2 unit cell
2. 1 unit cell
3. 4 unit cell
4. 8 unit cell

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Q.Point at corner is shared by

1. 2 unit cell
2. 1 unit cell
3. 4 unit cell
4. 8 unit cell

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Q.Contribution of atom at body centre

1. 1 part
2. ½ part
3. ¼ part
4. None

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Q.Contribution of atom at face centre

1. 1 part
2. ½ part
3. ¼ part
4. 1/8  part

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Q.In fcc, atoms are present at

1. Corner and face center
2. Face and body centre
3. Corner and edge centre
4. Corner and body centre

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Q.Number of atom in primitive unit cell is

1. 1
2. 2
3. 4
4. 8

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Q.Number of atom in bcc unit cell is

1. 1
2. 2
3. 4
4. 8

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Q.How many parameters of the Unit Cell

1. 2
2. 4
3. 6
4. 8

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Q.How many space lattice are obtainable from the different crystal system

1. 7
2. 14
3. 21
4. 32

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Q. a = b = c and α = β = γ parameter belongs to Crystal system

1. Cubic
2. Orthorhombic
3. Hexagonal
4. Triclinic

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Q. a ≠ b ≠ c and α ≠ β ≠ γ parameter belongs to Crystal system

1. Hexagonal
2. Triclinic
3. Tetrahedral
4. Monoclinic

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Q. a ≠ b ≠ c and α = β = γ = 90∘ parameter belongs to Crystal system

1. Orthorhombic
2. Monoclinic
3. Triclinic
4. Rhombohedral

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Q. a = b ≠ c and α = β = γ = 90∘ parameter belongs to Crystal system

1. Monoclinic
2. Tetragonal
3. Orthorhombic
4. Hexagonal

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Q. a = b = c and α = β = γ ≠ 90° parameter belongs to Crystal system

1. Rhombohedral
2. Tetragonal
3. Monoclinic
4. None

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Q.  a ≠ b ≠ c and α = γ = 90∘ parameter belongs to Crystal system

1. Monoclinic
2. Triclinic
3. Cubic
4. Hexagonal

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Q.The crystal system of a compound unit cell dimensions a= 0.38, b= 0.38, c=0.50 nm  and α = β =  90° , γ = 120° is

1. Cubic
2. Hexagonal
3. Orthorhombic
4. Rhombohedral

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Q. Most  symmetrical crystal system is

1. Cubic
2. Triclinic
3. Rhomboidal
4. None

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