Question: What prefix has haloalkane as the chemical class?
SQL: SELECT "Prefix" FROM "2-10911-2" WHERE "Chemical class" = 'haloalkane';

Question: Which example has RX as the formula?
SQL: SELECT "Example" FROM "2-10911-2" WHERE "Formula" = 'RX';

Question: Which chemical class uses the example Chloroethane (Ethyl chloride)?
SQL: SELECT "Chemical class" FROM "2-10911-2" WHERE "Example" = 'Chloroethane (Ethyl chloride)';

Question: What prefix has bromo as the group?
SQL: SELECT "Prefix" FROM "2-10911-2" WHERE "Group" = 'bromo';

Question: What is the chemical class for RI?
SQL: SELECT "Chemical class" FROM "2-10911-2" WHERE "Formula" = 'RI';

Question: What prefix has chemical class iodoalkane?
SQL: SELECT "Prefix" FROM "2-10911-2" WHERE "Chemical class" = 'iodoalkane';