NEET Chemistry The Solid State Questions Solved


Fraction of total volume occupied by atoms in a simple cube is-

(A) π/2

(B) 3π/8

(C) 2π/6

(D) π/6

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

(D) In a simple cubic system, number of atoms Aa =2r

Packing fraction = Volume occupied by one atom / Volume ofunit cell

= (4/3πr3)/a3 = (4/3πr3)/2r3  =π/6

Difficulty Level:

  • 12%
  • 12%
  • 8%
  • 70%
Crack NEET with Online Course - Free Trial (Offer Valid Till September 22, 2019)