NEET Chemistry The Solid State Questions Solved

NEET - 2015

The vacant space in bcc lattice cell is ;


(a) 26%

(b) 48%

(c) 23%

(d) 32%

Concept Videos :-

#5 | Simple Cubic Unit Cell: Coordination Number
#10 | FCC Unit Cell: Coordination Number
#15 | Tetrahedral Voids
#16 | Octahedral Voids
#17 | Position of Tetrahedral Voids in FCC
#18 | Position of Octahedral Voids in FCC
#19 | Hexagonal Primitive (HP) Unit Cell
#22 | Coordination Number of HP Unit Cel
#23 | Radius Ratio

Concept Questions :-

Voids and radius ratio/coordination number

(d)

 Packing efficiency in bcc lattice =68% Vacant space in boc lattice = 100-68 =32%

Difficulty Level:

  • 9%
  • 16%
  • 7%
  • 69%
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