redox

Question 1

what does OILRIG stand for?

Answer 1

● oxidation is loss (of e-)

● reduction is gain (of e-)

Question 2

is oxidation a decrease or increase in oxidation state?

Answer 2

inc

Question 3

is reduction a decrease or increase in oxidation state?

Answer 3

dec

Question 4

what do oxidation states do?

Answer 4

● simplify processes of what’s being oxidised and what’s being reduced in redox reactions

Question 5

what is the oxidation state of an uncombined element?

Answer 5

0

Question 6

what is the sum of oxidation states of all atoms or ions in a neutral compound?

Answer 6

0

Question 7

what is the usual oxidation state of a group 1 metal?

Answer 7

+1

Question 8

what is the usual oxidation state of a group 2 metal?

Answer 8

+2

Question 9

what is the usual oxidation state of oxygen?

Answer 9

-2

Question 10

what is the usual oxidation state of hydrogen?

Answer 10

+1

Question 11

what is the usual oxidation state of fluorine and chlorine?

Answer 11

-1

Question 12

what is an oxidising agent?

Answer 12

● substance that can oxidise another substance (electron acceptor)

● what’s reduced

O xidising
A gent
T akes (e-)