EXERCISE 4-1 Polyatomic Ions

Click on the correct answer



1 For a list of common ions see:  http://murov.info/ions.htm 

What is the name of SO42- ?
sulfide
sulfite
sulfate
sulfur tetroxide
None of the previous answers.

2 What is the name of NO2- ?
nitrite
nitrogen dioxide
nitrate
nitrogen peroxide
None of the previous answers.

3 What is the name of OH- ?
Hydrox
hydride
oxide
hydroxide
None of the previous answers.

4 What is the name of CO32- ?
carbonite
bicarbonate
oxalate
chromate
None of the previous answers.

5 What is the name of NH4+ ?
ammonia
ammonium
nitrogen tetrahydride
nitrate
None of the previous answers.

6 What is the name of SO32- ?
sulfite
sulfate
sulfide
sulfur trioxide
none of the previous answers.

7 What is the name of ClO3- ?
chlorite
chlorate
perchlorate
chlorine trioxide
None of the previous answers.

8 What is the name of HCO3- ?
bioxalate
carbonic acid
hydrogen carbonate
hydrogen chromate
None of the previous answers.

9 What is the name of H3O+ ?
water
oxygenate
hydroxide
hydronium ion
None of the previous answers.

10 What is the name of NO3- ?
nitrite
nitrate
nitrogen trioxide
nitric acid
None of the previous answers.

11 What is the name of ClO2- ?
chloride
chlorate
chlorite
chlorine dioxide
None of the previous answers.

12 What is the name of C2O42- ?
carbonate
chromate
dicarbonite
bicarbonate
None of the previous answers.

13 What is the name of CN- ?
nitride
carbide
cyanide
carbon nitride
None of the previous answers.

14 What is the name of S2O32- ?
sulfate
sulfite
disulfate
thiosulfate
None of the previous answers.

15 What is the name of SCN- ?
cyanide
cyanate
thiocyanate
thiosulfate
None of the previous answers.

16 What is the name of MnO4- ?
permanganate
manganate
manganese tetroxide
magnesium tetroxide
None of the previous answers.

17 What is the name of PO43- ?
phosphite
phosphate
perphosphate
phosphorous tetroxide
None of the previous answers.

18 What is the name of CrO42- ?
chromate
carbonate
oxalate
dichromate
None of the previous answers.

19 What is the name of HSO4- ?
hydrogen sulfite
sulfate
bisulfate
sulfuric acid
None of the previous answers.

20 What is the name of IO3- ?
iodite
iodide
iodate
periodate
None of the previous answers.

21 Carbonate is:
C2O42-
CO32-
CO3-
CO22-
None of the previous answers.

22 Oxalate is:
C2O42-
CO32-
C2O4-
C2O52-
None of the previous answers.

23 Chromate is:
CrO32-
CO32-
Cr2O72-
CrO42-
None of the previous answers.

24 Bicarbonate is:
HCO3-
CO32-
C2O62-
C2O42-
None of the previous answers.

25 Sulfite is:
SO42-
S2O32-
SO32-
SO3-
None of the previous answers.

26 Bisulfate is:
HSO32-
HSO4-
S2O82-
SO32-
None of the previous answers.

27 Thiosulfate is:
SO42-
S2O32-
SO32-
SCN-
None of the previous answers.

28 Sulfate is:
HSO4-
S2O32-
SO32-
SO4-
None of the previous answers.

29 Thiocyanate is:
SCN-
S2O32-
SO32-
SCN2-
None of the previous answers.

30 Nitrate is:
NO2-
NO3-
NO32-
NO4-
None of the previous answers.

31 Nitrite is:
NO2-
NO3-
NO22-
NO2
None of the previous answers.

32 Phosphate is:
PO33-
PO42-
PO43-
PO32-
None of the previous answers.

33 Chlorate is:
ClO32-
ClO4-
ClO2-
ClO3-
None of the previous answers.

34 Chlorite is:
ClO22-
ClO2-
ClO3-
ClO-
None of the previous answers.

35 Hypochlorite is:
ClO2-
HClO2
ClO2-
ClO-
None of the previous answers.

36 Ammonium is:
NH3
NH4+
NH42+
NH2-
None of the previous answers.

37 Hydronium is:
H3O2+
H2O+
H3O+
HO-
None of the previous answers.

38 Hyrdoxide is:
A cookie.
O2-
H3O+
OH-
None of the previous answers.

39 Cyanide is:
CN-
NCO-
N3-
SCN-
None of the previous answers.

40 The negative ions of the elements end with the letters:
ite
ate
ide
ine
None of the previous answers.

41 Chlorite, nitrite and sulfite:
have one more oxygen than chlorate, nitrate and sulfate.
have one less oxygen than chlorate, nitrate and sulfate.
are the negative ions of the elements.
all have two oxygens.
all have a negative one charge.

42 For thiosulfate and thiocyanate, the prefix means:
three
the ion has a negative 3 charge
an oxygen has been replaced by a sulfur
None of the previous answers.

43 Polyatomic ions that have the formula XOnm- where X is the central atom (such as C, N, S, P, Cl, Cr) and n and m are whole numbers that depend on the nature of X and its oxidation number are also called oxoanions or oxyanions. For commonly occurring oxoanions, the X in XO32- could be:
S
N
P
Cl
None of the previous answers.

44 Polyatomic ions that have the formula XOnm- where X is the central atom (such as C, N, S, P, Cl, Cr) and n and m are whole numbers that depend on the nature of X and its oxidation number are also called oxoanions or oxyanions. For commonly occurring oxoanions, the X in XO43- could be:
S
N
P
Br
None of the previous answers.

45 Polyatomic ions that have the formula XOnm- where X is the central atom (such as C, N, S, P, Cl, Cr) and n and m are whole numbers that depend on the nature of X and its oxidation number are also called oxoanions or oxyanions. For commonly occurring oxoanions, the X in XO2- could be:
S
C
P
Cl
None of the previous answers.

46
Assuming the space filling model represents an ion with a negative 2 charge, it could represent:
carbonate
sulfur trioxide
sulfate
nitrate
None of the previous answers.


return to table of contents