Chemistry - redox

Question 1

what happens in redox

Answer 1

oxidation: electrons are lost
reduction: electrons gained

Question 2

oxidising agent

Answer 2

causes another species to be oxidised, is itself reduced

Question 3

reducing agent

Answer 3

causes another species to be reduced, is itself oxidised

Question 4

oxidation state of atom

Answer 4

0

Question 5

oxidation state of ion of atom

Answer 5

equal to ionic charge

Question 6

overall oxidation state for a compound

Answer 6

zero

Question 7

ion of multiple atoms will have overall oxidation state of

Answer 7

equal to ionic charge

Question 8

oxidation state of group 1 metals

Answer 8

+1

Question 9

oxidation state of group 2 metals

Answer 9

+2

Question 10

apart from fluorine and peroxides, oxygen has a n oxidation state of

Answer 10

-2

Question 11

oxygens oxidation state in peroxides

Answer 11

-1

Question 12

oxygens oxidation state in compounds w fluorine

Answer 12

+2

Question 13

apart from hydrides, what is hydrogens oxidation state

Answer 13

+1

Question 14

hydrogens oxidation state in hydrides

Answer 14

-1

Question 15

disproportionation

Answer 15

reaction which a single species of atom is both oxidised and reduced