Oxidation and Reduction reactions

Question 1

What is a redox reaction?

Answer 1

Simultaneous oxidation and reduction reactions

Question 2

In inorganic chem, what is oxidation?

Answer 2

Loss of electrons, increase in oxidation number

Question 3

In inorganic chem, what is reduction?

Answer 3

Gain of electrons, decrease in oxidation number

Question 4

What is an oxidation number?

Answer 4

Hypothetical charge on an atom assuming the bonding is ionic

Question 5

What is the oxidation number for elements and diatomic molecules?

Answer 5

0

Question 6

What is the oxidation number for oxygen?

Answer 6

-2 (except in H202)

Question 7

What is the oxidation number for Fluorine?

Answer 7

-1

Question 8

What is the oxidation number for hydrogen?

Answer 8

+1 (except hydride -1)

Question 9

What is the oxidation number for metals?

Answer 9

A value equivalent to their charge e.g. Na = +1

Question 10

What is the oxidation number for compounds?

Answer 10

Always have an overall 0 charge

Question 11

What is the oxidation number for non-metal?

Answer 11

It MAY be equivalent to the rule 8- number

Question 12

What is the oxidation number for transition metals and non-metal compounds

Answer 12

May have the charge given by a roman numeral which gives the oxidation number

Question 13

What is V in roman numerals?

Answer 13

5

Question 14

What is VI in roman numerals?

Answer 14

6

Question 15

What is IV in roman numerals?

Answer 15

4

Question 16

What is the oxidation number for an ion?

Answer 16

Oxidation number = the charge

Question 17

In organic chem what is oxidation?

Answer 17

Gain of oxygen, loss of hydrogen

Question 18

In organic chem what is reduction?

Answer 18

Loss of oxygen, gain of hydrogen