NEET Chemistry - New - Solid State

Buy NEET English 2022 (Express) Practice test pack

Question - 1

In calcium fluoride, having the fluorite structure, the coordination number for calcium ion (Ca2+) and fluoride ion (F-) are :

  • A 4 and 2
  • B 6 and 6
  • C 8 and 4
  • D 4 and 8

Question - 2

The vacant space in a bcc unit cell is:

  • A 48%
  • B 23%
  • C 32%
  • D 26%

Question - 3

Which of the following statements is not correct?

  • A The number of carbon atoms in a unit cell df diamond is 4.
  • B The number of Bravais lattices in which a crystal can be categorized is 14
  • C The fraction of the total volume occupied by the atoms in a primitive cell is 0.48.
  • D Molecular solids are generally volatile

Question - 4

The fraction of total volume occupied by the atoms present in a simple cube is :

  • A \(\frac { \pi }{ \sqrt [ 3 ]{ 2 } } \)
  • B \(\frac { \pi }{ \sqrt [ 4 ]{ 2 } } \)
  • C \(\frac { \pi }{ 4 } \)
  • D \(\frac { \pi }{ 6 } \)

Question - 5

In a face-centered cubic lattice, a unit cell is shared equally by how many unit cells?

  • A 2
  • B 4
  • C 6
  • D 8

Question - 6

A compound formed by elements X and crystallizes in a cubic structure in which the X atoms are at the corners of a cube and the Y atoms are at the facecentres. The formula of the compound is :

  • A XY3
  • B X3Y
  • C XY
  • D XY2

Question - 7

When Zn converts from melted state to its solid state, it has hcp structure, then find the number of nearest atoms?

  • A 6
  • B 8
  • C 12
  • D 4

Question - 8

Cation and anion combine in a crystal to form following type of compound?

  • A ionic
  • B metallic
  • C covalent
  • D dipole-dipole.

Question - 9

In cube of any crystal A-atom placed at every corners and B-atom placed at every centre of face. The formula of compound is :

  • A AB
  • B AB3
  • C A2B2
  • D A2B3

Question - 10

In crystals of which one of the following ionic compounds would you expect maximum distance between centres of cations and anions?

  • A CsI
  • B CsF
  • C LiF
  • D LiI
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next
Previous Next