Redox

Question 1

What is a redox reaction

Answer 1

Reduction - oxidation

Question 2

What is oxidation u

Answer 2

Loss of electrons, oxygen added

Question 3

What is reduction

Answer 3

Gain of electron, oxygen removed

Question 4

What is reduction

Answer 4

Gain of electron, oxygen removed

Question 5

What is an oxidising agent

Answer 5

It is an electron acceptor, it is reduced as it accepts an electron

Question 6

What is an reducing agent

Answer 6

An electron donor, it has been excused as it donates an electron

Question 7

What is an reducing agent

Answer 7

An electron donor, it has been excused as it donates an electron

Question 8

What does oxidation number/state mean

Answer 8

No. Electrons lost/gained by an atom in a compound compared to uncombined atom

Question 9

All uncombined elements have an oxidation state of

Answer 9

Zero

Question 10

Oxidation number of compound adds up to

Answer 10

Zero

Question 11

Oxidation number of compound adds up to

Answer 11

Zero

Question 12

Monoatomic ion os is equal to

Answer 12

Ionic charge

Question 13

Group 1 metal os

Answer 13

+ 1

Question 14

Group 2 metal os

Answer 14

+2

Question 15

AL OS

Answer 15

+3

Question 16

H os
Exception

Answer 16

+1
Metal hydrides it is - 1

Question 17

F Os

Answer 17

-1

Question 18

Cl, Br,I
Exceptions

Answer 18

-1
Except in compounds with oxygen and fluorine

Question 19

o
Exceptions

Answer 19

-2
Peroxides, -1 and in compounds with fluorite

Question 20

What is a spectator? Ion

Answer 20

An ion which takes no part in the reaction