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Home Questions 7TC2WFAJPP
Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Solid State

Question:

Match List I with List II

List I List II
A. Triclinic I. \(BaSO_4\)
B. Monoclinic II. \(K_2Cr_2O_7\)
C. Rhombohedral III. \(Na_2SO_4.10H_2O\)
D. Orthorhombic IV. \(CaCO_3\)

Choose the correct answers from the options given below:

Options:

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

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

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

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

Correct Answer:

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

Explanation:

The correct answer is 4. A-III, B-II, C-I, D-IV.

Here is the matching of List I with List II:

List I

List II

A. Triclinic

III. \(Na_2SO_4.10H_2O\)

B. Monoclinic

II. \(K_2Cr_2O_7\)

C. Rhombohedral

I. \(BaSO_4\)

D. Orthorhombic

IV. \(CaCO_3\)

The crystal system is a way of classifying crystals based on their symmetry. The seven crystal systems are triclinic, monoclinic, orthorhombic, tetragonal, trigonal, hexagonal, and cubic.

Triclinic crystals have no symmetry elements. Monoclinic crystals have one axis of symmetry. Orthorhombic crystals have three axes of symmetry at right angles to each other. Tetragonal crystals have one axis of symmetry and four axes of three-fold symmetry. Trigonal crystals have one axis of threefold symmetry. Hexagonal crystals have one axis of six-fold symmetry and three axes of two-fold symmetry. Cubic crystals have four axes of three-fold symmetry.

 

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