Chemistry Multiple Choice

Start multiple choice

Which of the following orbital diagrams corresponds to Mn

Which one is the odd one out?

Which p-orbital has a yz nodal plane?

Using VSEPR determine the shape of the molecule ClF3.

  • Trigonal Bipyramidal
  • Trigonal Planar
  • T-shaped
  • Trigonal Pyramidal

What is the bond angle for Trigonal pyramidal? (in degrees)

  • 109.28
  • 106.45
  • 104.27
  • 105.5

What is the correct order of minimum electron-electron repulsion?

  • bond pair-bond pair>lone pair-lone pair>lone pair-bond pair
  • lone pair-lone pair>lone pair-bond pair>bond pair-bond pair
  • lone pair-lone pair<lone pair-bond pair<bond pair-bond pair

What does hybridisation mean?

  • a way of creating localised atomic orbitals that reproduce the observed shapes of molecules
  • a way of creating delocalised atomic orbitals that reproduce the observed shapes of molecules
  • a way of creating localised molecular orbitals that reproduce the observed shapes of molecules

What shape do sp2 hybrid orbitals arrange?

  • trigonal planar
  • trigonal bipyramidal
  • octahedral

What happened to non-hybridised p orbitals?

  • they're able to form pi bonds through sideways overlap with neighbouring p orbitals.
  • nothing
  • form pi bonds through head on overlaps with p orbitals in the same orientation

End multiple choice

Match the electronic configuration with the correct quantum number

  • 1s^2
    n=1
  • 2p^3
    l=1
  • 3d^2
    ml=5

Match the p-orbital and nodal plane

  • 2px
    zy nodal plane
  • 2py
    xz nodal plane
  • 2pz
    xy nodal plane

If each orbital can hold 2 electron with opposite spins what is the total number of electrons that are present in

  • s
    2
  • p
    6
  • d
    10
  • f
    14

Match number of bond pairs with the correct shape

  • 2 (2lp)
    bent
  • 3 (no lp)
    trigonal planar
  • 4 (1lp)
    see-saw

Match the shape with the correct bond angles (degrees)

  • tetrahedral
    109.28
  • trigonal pyramidal
    106.45
  • bent
    104.27

Match the compound with the correct shape

  • SF6
    octahedral
  • CO2
    linear
  • SF4
    see saw

What is the hybridisation for the central atom in BeF2?

  • sp
  • sp2
  • sp3

What is the hybridisation for the central atom in SiO2?

  • sp
  • sp3
  • sp2

What is the hybridisation for the central atom in SF4?

  • sp3
  • sp3d
  • sp3d2