Transition Metals

Question 1

Table of Oxidation States of Transition Metals

Answer 1

Question 2

Oxidation States and Colours of Vanadium

Answer 2

Question 3

Steps in the Reduction of Vanadium from V 5+ to V 2+

Answer 3

Question 4

Reduction of Manganate from Mn 7+ to Mn 2+

Answer 4

Question 5

Equations for the CONTACT PROCESS and how Vanadium acts as a catalyst

Answer 5

Question 6

Equations for how Fe2+ ions
catalyse the reaction between I− and S2O82–

Answer 6

Question 7

Equations for how Mn2+ ions
autocatalyse the reaction between C2O4 2– and MnO4 –

Answer 7

Question 8

Reactions of Metal-Aqua complexes of Fe2+, Cu2+, Al3+ and Fe3+ with bases

Answer 8

Question 9

Reaction Equations between Fe 2+ metal aqua ion with Hydroxide ions, Ammonia and Carbonate ions

Answer 9

Question 10

Reaction Equations between Cu 2+ metal aqua ion with Hydroxide ions, Ammonia and Carbonate ions

Answer 10

Question 11

Reaction Equations between Al 3+ metal aqua ion with Hydroxide ions, Ammonia and Carbonate ions

Answer 11

Question 12

Reaction Equations between Fe 3+ metal aqua ion with Hydroxide ions, Ammonia and Carbonate ions

Answer 12

Question 13

Equations demonstrating how Aluminium Hydroxide is amphoteric

Answer 13

Question 14

Colour changes in key ligand substitution reactions

Answer 14

Question 15

In a redox titration involving Manganate and Iron ions, why is H2SO4 the only suitable dilute acid to use?

Answer 15

H2SO4 does not oxidise under these conditions

H2SO4 does not react with the Mn 7+ ions