A) 10
B) 8
C) 3
D) 14
Correct Answer: D
Solution :
The total number of lattice arrangements in different crystal system is seven. These are cubic \[[Ex-NaCl],\] Tetragonal \[[Ex-Ti{{O}_{2}}],\] Monoclinic \[[Ex-CaS{{O}_{4}}.2{{H}_{2}}O],\] Ortho-Rhombic\[[Ex-MgS{{O}_{4}}.7{{H}_{2}}O],\] Triclinic \[[Ex-{{K}_{2}}C{{r}_{2}}{{O}_{7}}],\] hexagonal \[[Ex-Si{{O}_{2}}]\]and rhombohedra \[[Ex-CaC{{O}_{3}}].\] Hence, the correct option is (d).
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