ADDITION OF AQUEOUS AMMONIA OR AMMONIUM HYDROXIDE. Flashcards
1
Q
Pb 2+ or Al 3+ ions present.
A
A white precipitate was formed which
was insoluble in excess.
2
Q
Zn 2+ ions present.
A
A white precipitate was formed which
was soluble in excess.
3
Q
Cu 2+ ions present.
A
A blue precipitate was formed which was
soluble in excess to form a deep blue solution.
4
Q
why is aqueous ammonia used
A
help in the determination of the identity of the cation
present.