Transition elements

Question 1

state 3 properties of transition elements that are different from other metals (3)

Question 2

scandium is a d-block metal but not a transition metal, explain why (2)

Question 3

explain why zinc compounds dissolve in water to form colourless solutions (2)

Question 4

define complex ion (1)

Question 5

define coordination number (1)

Question 6

define ligand (1)

Question 7

what is a monodentate ligand

Question 8

what is a bidentate ligand

Question 9

describe the role of cis-platin in medicine (2)

Question 10

why does iron (II) hydroxide precipitate change colour after standing in air (1)

Question 11

define transition element

Question 12

colour of potassium dichromate(VI)

Question 13

colour of cobalt (II)chloride

Question 14

colour of nickel (II) sulfate

Question 15

colour of hydrated copper (II) sulfate

Question 16

colour of iron(II) in solution

Question 17

colour of iron (III) in solution

Question 18

colour of chromium (III)

Question 19

colour of chromium (VI)

Question 20

which catalysts are used in:
haber process
contact process
hydrogenation of veg fats

what type of catalysts are they

Answer 20

iron catalyst

V2O5 catalyst, vanadium(V) oxide

Ni catalyst

all heterogenous

Question 21

define coordinate bond

Question 22

give example of common bidentate ligand

Question 23

give 3 examples of common monodentate ligands

Question 24

give shape of 6 coordinate complexes

Question 25

give 2 possible shapes of 4 coordinate complexes

Question 26

define stereoisomer

Question 27

name the 2 types of stereoisomerism shown by complex ions

Question 28

define optical isomerism

Question 29

define ligand substitution