WebWhen a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. The net chemical equation is Cu (2+) (aq) + 2OH (-) (aq) --> Cu (OH)2 (s) When ammonia is added the precipitate dissolves. The solution turns a deep navy blue. What is the net chemical equation? WebWhich cation or cations may be present in a pale blue solution that turns deep blue and forms a white precipitate upon addition of \( 6 \mathrm{M} \mathrm{NH}_{3}(\mathrm{aq}) \) ? Show transcribed image text. Expert Answer. Who are the experts? Experts are tested by Chegg as specialists in their subject area. We reviewed their content and use ...
Solved When a strong base is added to a solution of CuSO4,
WebThe pale blue precipitate of copper hydroxide dissolves in excess of ammonium hydroxide forming tetraamine copper [II] sulphate, an azure blue soluble complex salt. Cu (OH) 2 + (NH 4) 2 SO 4 + 2NH 4 OH [Cu (NH 3) 4 ]SO 4 + 4H 2 O Answered By 1 Like (c) one salt of ammonia in each case which is used in: (i) dry cell (ii) explosives (iii) medicine WebAug 15, 2024 · Copper (II) is commonly found as the blue hydrated ion, [Cu(H 2O) 4]2 +. Aqueous Ammonia Copper (II) ion reacts with stoichiometric quantities of aqueous … brookwoods camp alton nh
Precipitate tests - Chemical analysis - (CCEA) - BBC Bitesize
Web7 rows · Method: dissolve a small quantity of the substance in water. place about 5cm3 of … WebMar 31, 2024 · Why does a solution of copper sulphate pentahydrate forms a pale blue precipitate on treatment with small amounts of ammonium hydroxide give the equation? When an aqueous solution of ammonia is added to the solution of copper (II) sulphate, a pale blue coloured precipitate of copper hydroxide is formed . this dissolves in the … WebCopper Nitrate- water soluble salt that produces blue PPT Nitric Acid- a toxic gas that has a copper color. The solution as whole is slightly acidic Step 2: Precipitation of Copper (II) Hydroxide from Solution (NaOH) Acid-Base Neutralization: Copper Nitrate is treated with Sodium Hydroxide. Cu (NO3)2 + 2NaOH → Cu (OH)2 + 2NaNO3 Products: brookwood rv resort ticonderoga