Topic 4- Oxidising and reducing Flashcards
What is oxidation?
loss of electrons
What is reduction?
gain of electrons
What is an oxidising agent?
is a substance which accepts electrons
What is a reducing agent?
a substance which donates electrons
In what group are the strongest oxidising agents found in?
group 7
In what group are the strongest reducing agents found in?
group 1
Name a gas that can be used as a reducing agent.
carbon monoxide
Name two ions that are strong oxidising agents.
dichromate and permanganate ions
Do oxidising agents have high or low electronegativities?
high
Do reducing agents have high or low electronegativities?
low
What is the electrochemical series used to indicate?
It indicates the effectiveness of oxidising and reducing agents.
What are oxidising agents used for?
Oxidising agents are widely employed because of
the effectiveness with which they can kill fungi and
bacteria, and can inactivate viruses.