C3 - Transition Elements Flashcards
What is different about transition metal ions?
There are often more than one for each element.
What do the different transition metal ions do?
Form coloured compounds.
What colour compounds do Fe2+ ions form?
Green.
What colour compounds do Fe3+ ions form? Give an example.
Red/brown.
Rust.
Why are transition metal ion compounds colourful?
Due to the transition metal ion.
What colour is Potassium Chromate(VI)?
Yellow.
What colour is Potassium Manganate(VII)?
Purple.
What colour is Copper(II) Sulfate?
Blue.
What sort of things are given their colour due to transition metal ions? [2]
Gemstones.
Pottery glazes.
Why can transition metals help reactions?
They are good catalysts.
What catalyst is used in the Haber process?
Iron.
What catalyst is used in the decomposition of hydrogen peroxide?
Manganese(IV) Oxide.
What catalyst is used when turning oils into fats?
Nickel.
What are the properties of transition metals? [3]
Good conductors.
Dense, strong, shiny.
Less reactive than Group 1.
