Testing For Cations

Question 0

Ca2+ in aqueous NaOH?

Answer 0

White precipitate, insoluble in excess

Question 1

What is the result of Al3+ in aqueous NaOH?

Answer 1

White precipitate, soluble in excess, coulourless

Question 2

Cu2+ in aqueous NaOH?

Answer 2

Light blue precipitate, insoluble in excess

Question 3

Fe2+ in aqueous NaOH?

Answer 3

Grey-green precipitate, insoluble in excess

Question 4

Fe3+ in aqueous NaOH?

Answer 4

Reddish-brown precipitate, insoluble in excess

Question 5

Zn2+ in aqueous NaOH?

Answer 5

White precipitate, soluble in excess, colorless

Question 6

Al3+ in aqueous NH3

Answer 6

White precipitate, insoluble in excess

Question 7

Ca2+ in NH3

Answer 7

No precipitate to slight white precipitate

Question 8

Cu2+ in aqueous NH3?

Answer 8

Light blue precipitate, soluble in excess, dark blue solution

Question 9

Fe2+ in aqueous NH3?

Answer 9

Grey-green precipitate, insoluble in excess

Question 10

Fe3+ in aqueous NH3?

Answer 10

Reddish-brown precipitate, insoluble in excess

Question 11

Zn2+ in aqueous NH3?

Answer 11

White precipitate, soluble in excess, colorless solution