When copper (ii) sulphate solution is treated with excess ammonium hydroxide, a precipitate is first formed, and then this dissolves to give a deep blue solution.

This deep blue solution is a?

a

Cu(OH)2

b

CuSo4.5H2O

c

(NH4)2SO4

d

Cu(NH3)4(OH)2

e

CuSO4.(NH4)2SO4.2H2O

Download Offline App Ask a Question

Explanation

Correct Option
d

Video Explanation

No video available

Post your Contribution

Share:

Discussions (10)

chimadaniel
5 years ago

The correct ans is D Cu(NH3)4(OH2)
according to New school physics
Cu(oH)2 + 4NH4+ +4OH---->
cu(NH3)4 ²+ 2OH- + 4H2o
(Deep blue coloured
Ion)

Femcy991
4 years ago

All compounds of copper react with aqueous ammonia (NH4OH) to give a deep blue solution of copper (ii) tetraamine ion, (Cu [NH3]4)²+

djayenimoney
4 years ago
Image

djayenimoney
3 years ago

Please the answer is D. Cu(NH3)4 is the complext ion with a dark blue coloration

Alisha101
2 years ago

The answer suppose to be D recheck please

pls someone should ref the page in new school chem

Sammyporsche123
3 years ago

@DANIEL ITS COPPER SULPHATE NOT COPPER HYDROXIDE

magilla
7 years ago

don't understand plz I think the answer should be a

Quick Questions

Ask a Question

happysolomon

22nd June, 2026


1 comments
AF

Fifi53453

23rd June, 2026


1 comments

abdullahibabajide63

22nd June, 2026


1 comments