C8 Further Chemical Analysis - Triple

What is a flame test?

• A test to identify metal ions (cations)

• An instrumental analysis tool for identifying metal ions

• A process to separate the constituents of a mixture

• The process of establishing what anions are present in a substance

What is the colour of the flame produced from a lithium containing compound?

• Crimson

• Green

• Yellow

• Lilac

What is the colour of the flame produced from a copper containing compound?

• Crimson

• Green

• Yellow

• Lilac

What is the colour of the flame produced from a sodium containing compound?

• Crimson

• Green

• Yellow

• Lilac

What is the colour of the flame produced from a potassium containing compound?

• Crimson

• Green

• Yellow

• Lilac

What is the colour of the flame produced from a calcium containing compound?

• Red

• Green

• Yellow

• Lilac

Other than flame tests, how can metal ions be identified?

• Use of sodium hydroxide

• Add an acid to generate carbon dioxide gas

• Add silver nitrate and nitric acid to generate a solid silver halide precipitate

• Add barium chloride and hydrochloric acid, forms white precipitate

What is the test for carbonates?

• Use of sodium hydroxide

• Add an acid to generate carbon dioxide gas

• Add silver nitrate and nitric acid to generate a solid silver halide precipitate

• Add barium chloride and hydrochloric acid, forms white precipitate

What is the test for halides?

• Use of sodium hydroxide

• Add an acid to generate carbon dioxide gas

• Add silver nitrate and nitric acid to generate a solid silver halide precipitate

• Add barium chloride and hydrochloric acid, forms white precipitate

What is the test for sulfate ions?

• Use of sodium hydroxide

• Add an acid to generate carbon dioxide gas

• Add silver nitrate and nitric acid to generate a solid silver halide precipitate

• Add barium chloride and hydrochloric acid, forms white precipitate