Redox - Oxidation Numbers Flashcards
1
Q
What is the oxidation state of
A
0
2
Q
What is the oxidation state of
A
-1
3
Q
What is the oxidation state of
A
0
4
Q
What is the oxidation state of
A
-1
5
Q
What is the oxidation state of
A
0
6
Q
What is the oxidation state of
A
+2
7
Q
What is the oxidation state of an uncombined element.
A
0
8
Q
Define reduction in terms of electrons
A
Gain of electrons
9
Q
Define oxidation in terms of electrons
A
Loss of electrons
10
Q
Define reducing agent in terms of electrons
A
Electron donor
11
Q
Define oxidising agent in terms of electrons
A
Electron acceptor
12
Q
Which atom is reduced in the reaction?
A
S
13
Q
What is the oxidation state change of Mg?
A
0 to +2
14
Q
Which element changes oxidation state from +1 to 0
A
H
15
Q
Which element changes oxidation state from 0 to +2
A
Mg