AnswersChemistry - SC3210 A-CRNomenclature of Covalent Compounds

Nomenclature of Covalent Compounds Answers

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Which is the IUPAC name for NO?

A
nitric oxide
B
binitrogen oxide
C
dinitrogen dioxide
D
nitrogen monoxide
2
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Which is an IUPAC name for a covalent compound?

A
carbon dioxide
B
carbon bioxide
C
zinc monophosphate
D
zinc phosphate
3

Which is the correct name for P2O5?

A
phosphorus dioxide
B
phosphorus pentoxide
C
diphosphorus pentoxide
D
diphosphorus hexaoxide
4

Which is the formula for iodine tribromide?

A
IBr
B
IB3
C
IBr3
D
I3Br
5

Which rule is used for writing the name of an ionic base?

A
The chemical name begins with “hydro.”
B
The chemical name ends with “hydroxide.”
C
The “ide” ending is changed to “ic.”
D
The polyatomic “ate” ending is changed to “ic.”
6

Which compound does H2SO4 represent when in an aqueous solution?

A
sulfur oxide
B
sulfuric acid
C
hydrogen sulfide
D
hydrogen disulfate
7

Which is the name for SO3?

A
silver oxide
B
trisulfur oxide
C
sulfur trioxide
D
silver trioxide
8

Which is the correct formula for phosphorus pentachloride?

A
PCl4 because a subscript of 4 indicates four Cl atoms
B
PCl5 because a subscript of 5 indicates five Cl atoms
C
P5Cl because a subscript of 5 indicates five P atoms
D
P5Cl3 because a subscript of 5 indicates five P atoms
9

Which is the formula for nitrogen trihydride?

A
NH3
B
N3H
C
3NH
D
N3H3
10

Which is the formula for dinitrogen pentoxide?

A
N5O2
B
5N2O
C
2NO5
D
N2O5

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