Match List-I with List-II: List-I (System) List-II (Axial lengths and angles) (A) Cubic (I) $a = b = c, \alpha = \beta = \gamma = 90^\circ$ (B) Tetragonal (II) $a = b \neq c, \alpha = \beta = \gamma = 90^\circ$ (C) Orthorhombic (III) $a \neq b \neq c, \alpha = \beta = \gamma = 90^\circ$ (D) Hexagonal (IV) $a = b \neq c, \alpha = \beta = 90^\circ, \gamma = 120^\circ$ Choose the correct answer from the options given below:

Question

Match List-I with List-II: List-I (System) List-II (Axial lengths and angles) (A) Cubic (I) $a = b = c, \alpha = \beta = \gamma = 90^\circ$ (B) Tetragonal (II)  $a = b \neq c, \alpha = \beta = \gamma = 90^\circ$ (C) Orthorhombic (III)  $a \neq b \neq c, \alpha = \beta = \gamma = 90^\circ$ (D) Hexagonal (IV)  $a = b \neq c, \alpha = \beta = 90^\circ, \gamma = 120^\circ$ Choose the correct answer from the options given below:

cdquestions Admin · Accepted Answer

Crystal systems are classified based on their axial lengths and angles: • Cubic: All sides are equal, and all angles are 90° • Tetragonal: Two sides are equal, one different, all angles 90° • Orthorhombic: All sides unequal, all angles 90° • Hexagonal: Two sides equal, one different, two angles 90° and one 120° Therefore, the correct matching is: (A) - (I), (B) - (III), (C) - (II), (D) - (IV).

Answer

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

Answer

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

Answer

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

Answer

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

Show Hint

The Correct Option is B

Solution and Explanation

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List-I (System)	List-II (Axial lengths and angles)
(A) Cubic	(I) \(a = b = c, \alpha = \beta = \gamma = 90^\circ\)
(B) Tetragonal	(II) \(a = b \neq c, \alpha = \beta = \gamma = 90^\circ\)
(C) Orthorhombic	(III) \(a \neq b \neq c, \alpha = \beta = \gamma = 90^\circ\)
(D) Hexagonal	(IV) \(a = b \neq c, \alpha = \beta = 90^\circ, \gamma = 120^\circ\)