CAX IAL Alkanes

UV radiation is used to create

• Free radicals
• Nucleophiles
• Electrophiles

Halogens reacting with alkanes is a type of...

• Substitution
• Elimination
• Addition

Alkanes are generally considered...

• Unreactive
• Reactive

Alkanes can be cracked to give...

• Smaller alkanes
• Alkenes
• Cycloalkanes
• Branched alkanes

Alkanes can be reformed to give...

• Cycloalkanes
• Branched alkanes
• Smaller alkanes
• Alkenes

Which is the correct mechanism for alkanes reacting with halogens?

• Free-radical substitution
• Free-radical addition
• Electrophilic substitution
• Electrophilic addition

Which type of bond breaking occurs in free-radical substitution?

• Homolytic fission
• Heterolytic fission

Which is an example of initiation?

• Cl-Cl --> 2Cl
• Cl + CH4 --> HCl + CH3
• Cl + CH3 --> CH4

Which is an example of propagation?

• Cl + CH4 --> HCl + CH3
• Cl + CH3 --> CH4
• Cl-Cl --> 2Cl

Which is an example of termination?

• Cl + CH3 --> CH4
• Cl-Cl --> 2Cl
• Cl + CH4 --> HCl + CH3