Match the types of packing given in Column I with the items given in Column II-Column I-Column IINlhlineA-Square close packing in two-1-Triangular voidsdimensions- lB-Hexagonal close packing in two-2-Pattern of spheres is repeated-l dimensions every fourth layerllC-Hexagonal close packing in-3-Coordination number-4three dimensions -D-Cubic close packing in three-4-Pattern of sphere is repeated inll dimensions-alternate layerslllhline array

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Types of Unit Cell

Match the typ...

Question

Match the types of packing given in Column I with the items given in Column II.

$\begin{matrix} C o l u m n I & C o l u m n I I A . S q u a r e c l o s e p a c k i n g i n t w o & 1. T r i a n g u l a r v o i d s d i m e n s i o n s B . H e x a g o n a l c l o s e p a c k i n g i n t w o & 2. P a t t e r n o f s p h e r e s i s r e p e a t e d d i m e n s i o n s & i n e v e r y f o u r t h l a y e r C . H e x a g o n a l c l o s e p a c k i n g i n & 3. C o o r d i n a t i o n n u m b e r = 4 t h r e e d i m e n s i o n s D . C u b i c c l o s e p a c k i n g i n t h r e e & 4. P a t t e r n o f s p h e r e i s r e p e a t e d i n d i m e n s i o n s & a l t e r n a t e l a y e r s \end{matrix}$

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	Column I		Column II
(i)	Square close packing in two dimension	(p)	Triangular voids
(ii)	Hexagonal close packing in two dimensions	(q)	Pattern of spheres is repeated in every fourth layer
(iii)	Hexagonal close packing in three dimension	(r)	Coordination number=4
(iv)	Cubic close packing in three dimension	(s)	Pattern of spheres is repeated in alternate layers