Detecting Cations Flashcards
1
Q
What colour flame does lithium produce?
A
Red
2
Q
What colour flame does sodium produce?
A
Yellow
3
Q
What colour flame does potassium produce?
A
Lilac
4
Q
What colour flame does calcium produce?
A
Orange-red
5
Q
What colour flame does copper produce?
A
Green-blue
6
Q
What colour hydroxide precipitate does Iron(II) form?
A
Green
7
Q
What colour hydroxide precipitate does Iron(III) form?
A
Orange-brown
8
Q
What colour hydroxide precipitate does Copper(II) form?
A
Blue
9
Q
What colour hydroxide precipitate does Calcium form?
A
White, does not dissolve with excess sodium hydroxide
10
Q
What colour hydroxide precipitate does Zinc form?
A
White, dissolves with excess sodium hydroxide.
