2007-05-20 12:11:00 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
WHAT IS THE NAME??
2007-05-20 12:39:45 · update #1
CuSO4(aq) + 4NH3 ===> Cu(NH3)4++ + SO4+
The solution turns electric blue, a blue beyond understanding. Try it!
2007-05-20 12:15:51 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋
Copper sulfate will form a dark blue colored copper complex with ammonia: CuSO4 + 4NH3 --> [Cu(NH3)4]SO4 Once the solution is blue, it will first form a precipitate of Cu(OH)2, but then change to dark blue.
2016-05-22 08:07:29 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Off topic... the truly soul-searing blues are ultramarine (trisulfur radical anion in zeolite), vanadyl sulfate, thiobenzophenone, azulene, Foron Blue S-R, and
http://liberalchemistry.blogspot.com/2007/05/my-small-contribution-to-compounds-with.html
then
http://liberalchemistry.blogspot.com/2007/05/you-want-chemistry-you-cant-handle.html
[Cu(en)2](2+) is better than [Cu(NH3)4](2+) "8^>)
2007-05-20 12:38:11 · answer #3 · answered by Uncle Al 5 · 0⤊ 1⤋