CH1 Flashcards
Definition of Redox reaction
A chemical reaction where oxidation and reduction occur at the same time
Reduction in term of Oxygen
Loses oxygen
Reduction in term of Hydrogen
gain hydrogen
Reduction in term of Oxidation number
Oxidation number decrease
Reduction in term of electron transfer
Gain electrons
Oxidation in term of Oxygen
Gains oxygen
Oxidation in term of Hydrogen
Loses hydrogen
Oxidation in term of Oxidation number
Oxidation number increases
Oxidation in term of electron transfer
loses electron
Oxidation number of Oxygen in peroxides
-1
Oxidation number of hydrogen in hydrides
-1
Electrochemical series
K Ca Na Mg Al Zn Fe Sn Pb H Cu Ag Au
5 Oxidising Agent
Acidified Potassium Manganate (VII)
Acidified Potassium Dichromate (VI)
Acidified Hydrogen Peroxide
Chlorine Water
Bromine Water
1 Famous Reducing agent
Reactive metals
Color of aqueous Chlorine
Pale Yellow
Color of aqueous Bromine
Brown
Color of aqueous Iodine
Brown
Color of in Chlorine 1,1,1-trichloroethane layer
Colourless
Color of in bromine 1,1,1-trichloroethane layer
brown
Color of in iodine 1,1,1-trichloroethane layer
Purple
Describe a chemical test to identify halogens
add 2cm3 of 1,1,1-trichloroethane to the test tube and shake gently.