Transition Metal Cmplexes

Question 0

If red light absorbed

Answer 0

green and blue are transmitted cyan colour

Question 1

White light is though to be a combination of what colours

Answer 1

Primary colours
Red
Green
Blue

Question 2

Green light absorbed

Answer 2

Blue and ted transmitted

Magenta

Question 3

Blue absorbed

Answer 3

Reb and green transmitted

Yellow

Question 4

Why absorb light

Answer 4

Electrons absorb light to move to higer energy levels in d-d transitions
If visible part of spectrum light absorbed is taken away from white light

Question 5

When ligands surrounding metal ion strong field (cyanide) transitions occur

Answer 5

In UV region 200-400nm

Question 6

Complexed containing weak field ligands (water) likely to absorb

Answer 6

Light from visible reign therefore making it coloured

400-700nm

Question 7

What is a heterozygous catalyst

Answer 7

Not in the same state as the reactants

Iron in haver process

Question 8

Transition metals on surface of active sites form bonds to reactant mols by using

Answer 8

Partially filled d orbitals to form intermediate complexes

Weakening the covalent bonds in reactant

Question 9

What is the oxidation status of a catalyst

Answer 9

Variable oxidation states

Question 10

Describe the process vanadium (V) oxide is used

Answer 10

Sulphur dioxide oxidised to sulphur trioxide by vanadium

catalyst reduced to (VI) and then reoxidised to (V)