WEEK 6 Inorganic compounds

Question 1

Compounds can be classified as:

Answer 1

Organic and inorganic

Question 2

Inorganic compounds can be classified as:

Answer 2

-Covalent: (molecules)
-Ionic bonds (crystal structure)

Question 3

Define inorganic compound

Answer 3

A compound that does not contain hydrocarbons, and is not typically found in living organisms

Question 4

Name some simple compounds that contain carbon and are usually considered inorganic

Answer 4

Carbon monoxide and Carbon dioxide
Carbonates
Cyanide, cyanates and thiocyanates
carbides

Question 5

Inorganic molecular(covalent) compounds are divided into:

Answer 5

-Anhydrides (acidic oxides)
-Peroxides
-acids (Hydracids & Oxoacids)

Question 6

inorganic ionic compounds are divided into

Answer 6

-Ionic hydrides
-oxides (basic oxides)
-hydroxides
-salts (neutral salts, acidic salts)

Question 7

Name these anhydrides using classical nomenclature
-N203
-N2O5
-SO2
-SO3

Answer 7

-nitrous anhydride
-nitric ||
-sulfurous ||
-phosphorous ||
-phosphoric ||
(-ous for low O content and -ic for high O content)

Question 8

Name these anhydrides using classical nomenclature
Cl2O
Cl2O3
Cl2O5
Cl2O7

Answer 8

hypochlorous anhydride
chlorous anhydride
chloric anhydride
perchloric anhydride

Question 9

Anhydride combine with water to form

Answer 9

Acidic oxides
example CO2 + H2O —> H2CO3 carbonic acid

Question 10

Name the anhydrides using simple nomenclature
-N2O5
-Cl2O
-CO2

Answer 10

dinitrogen pentoxide
dichlorine monoxide
carbon dioxide

Question 11

simple nomenclature cannot be used for ionic compounds. true or false?

Answer 11

true

Question 12

Draw the lewis structure for the anhydrides:
carbon dioxide, sulfur dioxide, sulfur trioxide, dinitrogen trioxide, dinitrogen pentaoxide

Answer 12

confirm answer with lecture 4a inorganic

Question 13

Draw the Lewis structure for:
nitrogen monoxide
nitrous oxide/dinitrogen monoxide
carbon monoxide

Answer 13

confirm answer with lecture 4a

Question 14

What are peroxides?

Answer 14

binary compounds between oxygen and hydrogen, with a high proportion of oxygen

Question 15

Name the peroxides

Answer 15

H2O2
Na2O2
Ba2O2

Question 16

What are acids?

Answer 16

compounds containing one or more hydrogen atoms, which can be replaced by metal cations forming salts

Question 17

What are the two types of acids?

Answer 17

Hydroacids
oxoacids

Question 18

Write the systemic name and solution name of these hydracids

Answer 18

HF
HCl
H2S

Question 19

What are hydracids?

Answer 19

Binary compounds formed between H &
a non-metal belonging to:
v group VIIA (halogens)
v group VIA (sulfur)

Question 20

What are oxoacids?

Answer 20

Ternary compounds containing an H, O, and a non-metal
when H atoms are substituted by metal cations, oxoacids can form salts

Question 21

H2CO3
HNO2
HNO3
H2SO3
H2SO4
name these oxoacids

Answer 21

carbonic
nitrous
nitric
sulfurous
sulfuric

Question 22

Name these oxoacids
HClO
HClO2
HClO3
HClO4
H4SiO4

Answer 22

HClO hypochlorous acid
HClO2 chlorous acid
HClO3 chloric acid
HClO4 perchloric acid
H4SiO4 silicic acid

Question 23

list the 5 acids of phosphorous, their formula and lewis structure

Answer 23

confirm with lecture 4a

Question 24

name these ionic hydrides
LiH
CaH2
NaH

Answer 24

lithium hydride
calcium hydride
sodium hydride

Question 25

Name these oxides

Answer 25

Na2O
CaO
Al2O3

Question 25

Name these oxides (hint: transition metals)
Cu2O
CuO
FeO
Fe2O3

Answer 25

copper(i)oxide
copper(ii)oxide
iron(ii)oxide
iron(ii)oxide

Question 25

name these neutral salts

Answer 25

NaCl
Al2S3
K2SO4
(NH4)SO3

Question 26

see hypo, per, ortho, meta, pyro with reference to neutral salts

Answer 26

rate understanding

Question 27

Name these acidic salts
NaHs
Ca(HS)2
KHS
NaHSO4
KHCO3
Al(H2PO4)3
NaH2PO4
K2HPO4
NaHCO3

Answer 27

sodium hydrogen sulfide
calcium hydrogen sulfide
potassium hydrogen sulfide
sodium hydrogen sulfide
potassium hydrogen carbonate
aluminum dihydrogen carbonate
sodium dihydrogen phosphate
potassium hydrogen phosphate
sodium hydrogen carbonate

Question 28

Do tutorial 4

Answer 28

rate proficiency