Recall the general properties of transition metals and their compounds and exemplify these by reference to a small number of transition metals Flashcards
1
Q
what are the typical metallic properties of transition metals
A
- hard, strong,shiny
- conduct heat + electricity
- high melting points
- high densities
2
Q
what catalysts are made from transition metals?
A
- iron used in the harbor process
- vanadium pentoxide in the contact process
3
Q
typical transition metals
A
- chromium, Cr
- manganese, Mn
- iron, Fe
- cobalt, Co
- nickel, Ni
- copper, Cu
4
Q
compare the reactivity of transition metals to group 1 metals
A
- much less reactive
- much slower reactions
5
Q
What coloured compound does Iron(II) hydroxide, Fe(OH)2 give
A
- Pale green
6
Q
What coloured compound does Iron(III) hydroxide, Fe(OH)3 gibs
A
- Orange-brown
7
Q
What coloured compound does Iron(III) oxide, Fe2O3 give
A
Red- brown
8
Q
What is the transition metal that doesn’t follow typical properties
A
- Mercury
- melts at -39°
