Chem Topic 6

Question 1

Describe how we would do a flame test to identify a metal

Answer 1

1) clean a nichrome metal by dipping it in a hydrochloric acid and then rinse with distilled water
2)dip the wire into the sample of the metal compound
3)place the loop in the clear blue part of the Bunsen burner

Question 2

Describe a test for metal ions with sodium hydroxide

Answer 2

1)add a few drops of sodium hydroxide solution to your mystery compound
2) if a metal hydroxide precipitate is formed you can use its colour to tell which metal ion was in the compound

Question 3

Describe a test for halide ions using silver nitrate solution

Answer 3

1)add some dilute nitric acid
2)followed by a few drops of silver nitrate solution