Oxidising agents and reducing agents

What is reduction?

A gain of electrons by a reactant in any reaction

What is oxidation?

A loss of electrons by a reactant in any reaction

In a redox reaction what takes place at the same time?

Reduction and Oxidation

What is a reducing agent?

A substance that donates electrons

What is an oxidising agent?

A substance that accepts electrons

What can be identified in redox reaction?

Oxidising and reducing agents

Elements with low __________ tend to form ___ by losing _______ so act as a _________ agent

• Electronegativity

• Ions

• Electrons

• Reducing

Elements with high __________ tend to form ___ by gaining _______ so act as a _________ agent

• Electronegativity

• Ions

• Electrons

• Oxidising

Which group in the periodic table are the strongest reducing agents?

Group 1

Which group in the periodic table are the strongest oxidising agents?

Group 7

C______, G____ I___ and M_______ can act as oxidising or reducing agents

• Compounds

• Group ion

• Molecules

The strongest oxidising agents are at the?

Bottom of the left-hand column of the electrochemical series

The strongest reducing agents are at the?

Top of the right hand column of the electrochemical series

An ion-electron equation can be balanced by adding appropriate numbers of…?

Water molecules, hydrogen ion and electrons

When you want to balance the number of oxygens you add?

H20

When you want to balance the number of hydrogens you add?

H+

When you want to balance the charge you add?

e-