Biuret reagent is made up of sodium hydroxide and copper sulphate.
Copper sulfate is not black. Combined with water, as hydrated copper sulfate, it is blue. Without water, as anhydrous copper sulfate, it is white.
To change blue copper sulfate to white copper sulfate, you can heat the blue copper sulfate to drive off the water molecules and get anhydrous white copper sulfate. This process is known as dehydration. Be cautious when heating copper sulfate as it can release toxic fumes.
Yes, copper sulfate is an electrolyte. When dissolved in water, copper sulfate dissociates into copper ions and sulfate ions, which are capable of carrying an electric current.
The water solution of copper sulfate is acidic.
When copper sulfate and sodium hydroxide are mixed together, a double displacement reaction occurs. The copper ions from copper sulfate react with hydroxide ions from sodium hydroxide to form a blue precipitate of copper hydroxide. The resulting solution will contain sodium sulfate.
The reaction between sodium hydroxide and copper sulfate will result in the formation of sodium sulfate and copper hydroxide. The products of this reaction will be a blue precipitate of copper hydroxide and a solution of sodium sulfate.
The reaction between sodium hydroxide and copper sulfate forms copper hydroxide and sodium sulfate. Copper hydroxide is initially formed as a blue precipitate, which can further react to form copper oxide upon heating.
Sodium hydroxide (NaOH) is an insoluble base that can be used to make copper sulfate. When sodium hydroxide is added to a solution of copper sulfate, a blue precipitate of copper hydroxide forms. This precipitate can be filtered and then reacted with sulfuric acid to produce copper sulfate.
If you add copper sulfate to sodium hydroxide, a double displacement reaction will occur. The copper sulfate will react with the sodium hydroxide to form copper hydroxide, which is a blue solid, and sodium sulfate, which is a soluble compound. This reaction is often used in qualitative analysis to test for the presence of copper ions.
When copper sulfate is added to sodium hydroxide, a blue precipitate of copper hydroxide is formed. The color change observed is from the initial blue color of copper sulfate to the blue precipitate of copper hydroxide.
CuSO4
When you mix copper sulfate and potassium hydroxide, a blue precipitate called copper hydroxide is formed. This is due to the reaction between copper ions from copper sulfate and hydroxide ions from potassium hydroxide. The chemical equation for this reaction is CuSO4 + 2KOH → Cu(OH)2 + K2SO4.
The reaction between copper sulfate and sodium hydroxide is a chemical change, as new substances are formed with different chemical properties from the original substances. The blue copper sulfate solution reacts with the colorless sodium hydroxide solution to form a blue precipitate of copper hydroxide and sodium sulfate solution.
Sodium hydroxide is commonly used to make copper sulfate from copper oxide, which is insoluble in water. The reaction between copper oxide and sodium hydroxide forms copper sulfate and water.
When copper sulfate and sodium hydroxide are mixed, a blue precipitate of copper hydroxide is formed. This is because the hydroxide ions from sodium hydroxide react with the copper ions from copper sulfate to form the insoluble copper hydroxide. The net ionic equation for this reaction is Cu^2+ (aq) + 2OH^- (aq) → Cu(OH)2 (s).
The reaction between copper(II) sulfate and ammonia hydroxide is a double displacement reaction, where the cations and anions of the reactants switch partners to form new compounds. In this case, insoluble copper(II) hydroxide is formed as a precipitate while ammonium sulfate remains in solution.