Table:
text: Functional group
Hydrocarbons
Hydrocarbons
Chemical_class Group_ Formula Prefix_ Suffix Example
Alkane Alkyl R(CH 2 ) n H alkyl- -ane Ethane
Alkene Alkenyl R 2 C=CR 2 alkenyl- -ene Ethylene (Ethene)
Alkyne Alkynyl RC≡CR` alkynyl- -yne Acetylene (Ethyne)
Benzene derivative Phenyl RC 6 H 5 RPh phenyl- -benzene Cumene (2-phenylpropane)
Toluene derivative Benzyl RCH 2 C 6 H 5 RBn benzyl- 1-(substituent)toluene Benzyl bromide (α-Bromotoluene)

Question: What is the suffix for the hydrocarbon group of benzyl under the functional group?

Question: Which formula among the functional groups has a prefix of alkyl hydrocarbons?