Table: functional_groups
Columns: chemical_class
group
formula
prefix
suffix
example

Question: What prefix has Haloalkane as the chemical class?
SQL: SELECT "prefix" FROM functional_groups WHERE "chemical_class" = 'haloalkane'

Question: Which example has rx as the formula?
SQL: SELECT "example" FROM functional_groups WHERE "formula" = 'rx'

Question: Which chemical class uses the example Chloroethane (ethyl chloride)?
SQL: SELECT "chemical_class" FROM functional_groups WHERE "example" = 'chloroethane (ethyl chloride)'

Question: What prefix has Bromo as the group?
SQL: SELECT "prefix" FROM functional_groups WHERE "group" = 'bromo'

Question: What is the chemical class for ri?
SQL: SELECT "chemical_class" FROM functional_groups WHERE "formula" = 'ri'

Question: What prefix has chemical class Iodoalkane?
SQL: SELECT "prefix" FROM functional_groups WHERE "chemical_class" = 'iodoalkane'