Naming organic compounds

The correct name for the alkene monomer which forms the polymer shown below is

• 2-methyl-3-ethylpropene

• 2-methylpent-2-ene

• 2-methylpent-3-ene

• 4-methylpent-2-ene

CH₂O is the empirical formula of

• methanol

• methyl methanoate

• ethane-1,2-diol

• butanal

Which compound has the lowest relative molecular mass?

• ethanoic acid

• 1-fluoropropane

• propanenitrile

• propylamine

Which one of the following is the correct name for the molecule shown?

• 2-bromo-3-methylpent-2-ene

• 2-bromo-3-ethylbut-2-ene

• 3-bromo-2-ethylbut-2-ene

• 4-bromo-3-methylpent-3-ene

The structural formula of ethyl 2-methylpropanoate is ...

• 
• 
• 
• 

The correct systematic name for the molecule shown is ...

• 2,3-diethylbut-2-ene

• 2-ethyl-3-methylpent-2-ene

• 4-ethyl-3-methylpent-3-ene

• 3,4-dimethylhex-3-ene

The correct systematic name for the molecule shown is ...

• 2-ethyl-3,4-dimethylpent-2-ene

• 4-ethyl-2,3-dimethylpent-3-ene

• 2,3,4-trirnethylhex-3-ene

• 3,4,5-trimethylhex-3-ene

Which is the correct general formula for non-cyclic compounds in the homologous series?

• alcohols

  C_nH_2n+2O

• aldehydes

  C_nH_2n+1O

• esters

  C_nH_2n+1O₂

• primary amines

  C_nH_2n+2N

What is the IUPAC name for this compound?

• 2-dimethyl-3-fluoropentane

• 2,2-dimethyl-3-fluoropentane

• 3-fluoro-2,2-dimethylpentane

• 3-fluoro-2-dimethylpentane

Which compound is a structural isomer of Z-but-2-ene?

• butane

• E-but-2-ene

• cyclobutane

• methylbut-2-ene