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Home Questions SSYBHQGWVV
Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Solid State

Question:

Match List I with List II.

List I List II
(A) Orthorhombic  (I) α = γ = 90° β ≠ 90°
(B) Hexagonal (II) α = β = γ = 90°
(C) Rhombohedral (III) α = β = 90° γ = 120°
(D) Monoclinic (IV) α = β = γ ≠ 90°

 

Options:

(A)-(III), (B)-(II), (C)-(IV), (D)-(I)

(A)-(I), (B)-(III), (C)-(IV), (D)-(II)

(A)-(II), (B)-(III), (C)-(IV), (D)-(I)

(A)-(II), (B)-(IV), (C)-(III), (D)-(I)

Correct Answer:

(A)-(II), (B)-(III), (C)-(IV), (D)-(I)

Explanation:

The correct answer is option 3. (A)-(II), (B)-(III), (C)-(IV), (D)-(I).

List I List II
(A) Orthorhombic  (II) α = β = γ = 90°
(B) Hexagonal (III) α = β = 90° γ = 120°
(C) Rhombohedral (IV) α = β = γ ≠ 90°
(D) Monoclinic (I) α = γ = 90° β ≠ 90°

 

Crystal system Edge lengths  Angles
Cubic a = b = c α = β = γ = 90°
Tetragonal a = b ≠ c α = β = γ = 90°
Orthorhombic a ≠ b ≠ c α = β = γ = 90°
Monoclinic a ≠ b ≠ c α = γ = 90° β ≠ 90°
Hexagonal a = b ≠ c α = β = 90°  γ = 120°
Rhombohedral a = b = c α = β = γ ≠ 90°
Triclinic a ≠ b ≠ c  α ≠ β ≠ γ ≠ 90°

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