Qualitative detection tests Flashcards
1
Q
Cr3+
A
Green-blue precipitate, soluble in excess NaOH solution
2
Q
Mn2+
A
White precipitate that turns brown on standing, insoluble
3
Q
Fe2+
A
Green precipitate, insoluble
4
Q
Fe3+
A
Brown precipitate, insoluble
5
Q
Co2+
A
Blue precipitate, soluble in excess ammonia forming a yellow solution that turns brown on standing
6
Q
Ni2+
A
Green precipitate, soluble in excess Ammonia giving a blue solution
7
Q
Cu2+
A
Blue precipitate, soluble in excess ammonia giving a dark blue solution
