Redox

Question 1

simply what do oxidation states show

Answer 1

how many electrons an atom has gained or lost

Question 2

what is the oxidation rule for uncombinde elements

Answer 2

0

Question 3

what is the oxidation number rule for simple ions

Answer 3

number is the charge on the ion

Question 4

what is the rule of oxidation for a neutral compound

Answer 4

0

Question 5

what is the oxidation number rule for complex ions (ions containing more than one ion)

Answer 5

sums to the total charge of the ion

Question 6

what is hydrogens normal oxidation number and the exception to this rule

Answer 6

normally hydrogen= +1

hydrogen = -1 as a metal hydride

Question 7

what is oxygens normal oxidation number and the exception to this rule

Answer 7

normally oxygen = -2
oxygen = -1 as a peroxide

Question 8

what is fluorine’s normal oxidation number

Answer 8

-1

Question 9

name the compound CuSo4

Answer 9

Copper (II) Sulphate

Question 10

name the compound Fe(OH)2

Answer 10

iron (II) hydroxide

Question 11

KMnO4

Answer 11

potassium manganate (VII)

Question 12

name the ionic compound SO3 -2

Answer 12

sulfate (IV)i ion

Question 13

name the ionic compound SO4 -2

Answer 13

sulfate (IV) ion