Network Solids and Carbon

What type of hybridization is present in diamond?

• sp³

• sp²

• sp

• sp³d

Which property of graphite allows it to be used as a lubricant?

• 3D tetrahedral network

• Planar sheets with weak interlayer forces

• High electrical conductivity

• Rigid covalent bonds

Why is diamond an electrical insulator?

• It has a 2D layered structure

• It has sp³ hybridized bonds

• It has weak interlayer forces

• It has delocalized pi bonds

What conditions are required to transform graphite into diamond?

• Low pressure and high temperature

• High pressure and high temperature

• Low pressure and low temperature

• High pressure and low temperature

How does the 3D lattice structure of diamond affect its thermal conductivity?

• It restricts heat transfer to one direction

• It allows heat transfer in three directions

• It prevents heat transfer

• It only allows heat transfer in two directions

What is the main reason for graphite's electrical conductivity?

• Overlapping unhybridized p orbitals

• Rigid covalent bonds

• 3D tetrahedral network

• Presence of sp³ hybridized bonds

Which statement best explains why diamond is used for cutting tools?

• Diamond has weak interlayer forces

• Diamond has a 2D layered structure

• Diamond is electrically conductive

• Diamond's 3D network resists deformation

What is the role of covalent bonds in the thermal conductivity of diamond and graphite?

• They have no effect on vibrational energy

• They restrict vibrational energy to one direction

• They enable vibrational energy to propagate rapidly

• They prevent vibrational energy propagation

How does the atomic bonding in graphite contribute to its softness?

• Strong covalent bonds in a 3D network

• Weak interlayer forces between planar sheets

• Rigid covalent bonds in a tetrahedral structure

• Delocalized electrons in a 3D lattice

What is a key factor in the brittleness of diamond?

• Weak interlayer forces

• Rigid covalent bonds

• Delocalized pi bonds

• Flexible layered structure

Tags

NGSS.HS-PS1-3