Which of the following is/are allotrope(s) of Sulphur?
Correct answer: A. Monoclinic S and Rhombic S
- A. Monoclinic S and Rhombic S
- B. Rhombic S
- C. Triclinic S
- D. Monoclinic S
Explanation
Allotropy is the existence of an element in more than one crystalline forms. These forms are known as allotropes. Sulphur exists in both rhombic and monoclinic forms which are in equilibrium with one another at 95.5 C.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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