What happens when sodium hydroxide and copper sulfate?

Copper sulphate reacts with sodium hydroxide to form a blue precipitate of copper hydroxide and sodium sulphate.

What happens when sodium chloride reacts with copper sulphate?

Sodium chloride reacts with copper sulfate to produce sodium sulfate and copper chloride. 2NaCl(aq)+CuSO4(aq)→Na2SO4(aq)+CuCl2.

What is the reaction of CuSO4?

The copper ions present in copper sulfate react with the chloride ions belonging to concentrated hydrochloric acid, leading to the formation of tetrachlorocuprate(II). When heated to 650oC, CuSO4 undergoes a decomposition reaction to yield cupric oxide (CuO) and SO3 (sulfur trioxide).

Which product is formed when CuSO4 reacts with Fe?

Fe + CuSO4(aq) → FeSO4(aq) + Cu(s) The type of reaction is a displacement reaction. In this reaction, the highly reactive metal iron replaces the Copper in copper sulphate by giving up two electrons and gets oxidized and forms a new compound called ferrous sulphate.

Why there is no reaction between copper and sodium chloride?

Aqueous sodium chloride, NaCl , will not react with aqueous copper(II) sulfate, CuSO4 , because the two potential products are soluble in aqueous solution. This means that the reaction does not produce an insoluble solid that precipitates out of solution.

Is there a reaction when sodium is mixed with copper II chloride?

Gas-forming reactions occur when one of the products is a gas that bubbles out of solution. A solution of sodium phosphate reacts with a copper(II) chloride solution according to Equation 2. The reaction may be classi- fied as a double replacement, precipitation reaction.

What is the reaction of CuSO4 and h2o?

The reaction between H2O and CuSO4 gives CuSO4. 5H2O which is blue vitriol. The end product is known as copper sulfate pentahydrate. On dehydration of copper sulfate, the water molecule is lost resulting in the formation of copper sulfate monohydrate which is bluish-white colour.

What is the mechanism of reduction of sodium hypophosphite?

Sodium hypophosphite is used as a reducing agent. The following is the mechanism of reduction. Oxidation of hypophosphite to orthophosphate in the presence of a catalyst. [H 2 is absorbed on the catalyst surface and (H 2 PO 2) − is transformed to (HPO 3) = .] Reduction of Ni ++ by adsorbed hydrogen.

Why is hypophosphite used as a reducing agent in copper plating?

The nickel then serves to catalyze the oxidation of hypophosphite enabling continuous copper deposition [50,55]. Formally using the hypophosphite as reducing agent in electroless plating copper to substitute conventionally used formaldehyde can be traced back to 1980.

How does nickel catalyze the oxidation of hypophosphite?

For example, adding nickel ions (or other metal ions) to the bath, resulting in a very small amount of codeposited nickel in the copper deposit can catalyze the oxidation of the reducing agent. The nickel then serves to catalyze the oxidation of hypophosphite enabling continuous copper deposition [50,55].

What is the source of sodium hypophosphite and ethylene glycol?

Sodium hypophosphite (NaH 2 PO 2 ·H 2 O) and ethylene glycol were the product of Tianjin Guangcheng Chemical Corporation. Polyvinylpyrrolidone (PVP K30, polymerization degree 360) was obtained from Shanghai Dongsheng Chemical Corporation. Other reagents were purchased from Huadong Chemical Corporation.