NEET Chemistry The Solid State Questions Solved

NEET - 2009

Copper crystallises in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom in pm?

(a) 128
(b) 157
(c) 181
(d) 108

 

Concept Videos :-

#0 | Introduction to Solid State
#1 | Introduction to Unit Cell
#2 | Types of Unit Cell
#3 | Simple Cubic Unit Cell: Rank (z)
#6 | Body Centred Cubic (BCC) Unit Cell
#8 | Face Centred Cubic (FCC) Unit Cell
#12 | Hexagonal Close Packing Arrangement
#13 | Cubic Close Packing Arrangement
#14 | Layer Arrangement in FCC
#25 | Ionic Structure of Rock Salt

Concept Questions :-

Introduction and Type of Crystal System

(a) In case of face-centred cubic lattice, radius=2a4

Radius of copper atom (fcc lattice) =2× 3614= 128 pm.

Difficulty Level:

  • 65%
  • 19%
  • 13%
  • 6%
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