Reactions of Copper
Group members: Sanjana Punjabi, Juaquin Coc, Janivi Quiroz, Julian Cute Jr. , Jaydan Moguel
The Formation of Copper (II) Nitrate
Cu(NO3)2 (aq)
Formation of Copper (II) Nitrate
Balanced Equation:
- 3Cu(s) + 8HNO 3(aq) 3Cu(NO3)2(aq) + 2NO2(g) + 4H2O(l)
Type of Reaction:
- Oxidation-Reduction (Redox)reaction/ Acid-base reaction
- Cu oxidizing agent
- HNO3 Reducing agent
Oxidation:
Reduction:
- 6e- +4H++ 2NO3- 2NO +4H2O
[Cu(OH2)6]2+- complex compound
Formation of Copper (II) Hydroxide
Cu(OH) (s)
Formation of Copper (II) Hydroxide
· Cu(NO3)2(aq) + 2Na(OH)2(aq) Cu(OH)2(s) + 2NaNO3(aq)
Type of Reaction:
Double displacement reaction
Precipitation Reaction
Cu(OH)2 Is formed, a blue insoluble solid that precipitates out of solution
Complete ionic equation
· Cu2+(aq) + 2NaO3-(aq)+2Na+(aq)+2OH-(aq)
Cu(OH)2(s) +2Na+(aq) + 2NO3-(aq)
to get the net ionic equation, you must eliminate spectator ions, i.e. ions that are present on both sides of the equation
· Cu2+(aq) + 2OH3-(aq) Cu(OH)2(s)
[Cu(OH2)6]2+
complex compound
The Formation of Copper (II) Oxide
CuO (s)
Formation of Copper (II) Oxide
Cu(OH)2(s) CuO(s) + H2O(l)
Decomposition Reaction
· CuO(s) + H2SO4(aq) CuSO4(aq) + H2O(l)
Double displacement reaction
Acid-base reaction 2H+ acid)+ O-(a base) H2O
Precipitation reaction
Oxide ion is replaced with sulfate ion
And a light blue solution forms.
The Formation of Copper (II) Sulphate
CuSO (aq)
Formation of Copper (II) Sulphate
Mechanisms
CuSO4(aq) + Zn(s) Cu(s) + ZnSO4(aq)
Single displacement (synthesis) reaction
Oxidation-Reduction (redox) reaction
Oxidation:
· Zn(s) Zn2+ +2e-
Reduction:
· Cu2+(aq) + 2e- Cu(s)
What is the Copper Cycle?
Introduction
- Some of the most commonly found forms of copper are the sulphides of copper such as covellite (CuS, which is also called cupric sulphide or copper(II) sulphide), chalcocite (Cu2S, which is also called cuprous sulphide or copper (I) sulphide), and chalcopyrite (CuFeS2)
- Copper is a reddish-gold colored metal that is ductile, malleable, and an effective conductor of heat and electricity.Copper was widely used to make cookware like pans and kettles, but are less common now as there are cheaper cookware made of aluminum or stainless steel. High-quality pots and pans are made with copper bottoms, which distributes the heat from the stovetop quickly and evenly throughout the pan. Copper can resists corrosion by water, air, and most acids (except for concentrated nitric and sulfuric acids), for this reason it is ideal in making coin.
- Copper does not oxidize(lose electrons) readily in air and has a very low reactivity with dilute mineral acids such as sulfuric acid (H2SO4) and hydrochloric acid (HCl). However nitric acid (HNO3) has a high reactivity with copper and will readily dissolve copper metal producing the copper(II) ion of copper metal in nitric acid is an oxidative process where electrons are transferred from copper metal to the nitrogen of the acid.