These questions have been provided on a CC-BY basis to facilitate peer instruction.

1. Hydrogen and its Compounds

2. Why share questions?
• There are many excellent open
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• These include many videos of
more-or-less traditional university
lecturing.
• These questions have been
provided on a CC-BY basis to
facilitate peer instruction.

3. What is the correct order of
relative electronegativity?
1. B > N > F
2. B > N > F
3. F > N > B
4. F > B > N
B
>N
>
F
B
>N
>
F
F>
N
>B
F>
B
>
N
0%
0%0%0%

4. Which of the following compounds
would you expect to be a salt-like
hydride?
1. SiH4
2. MgH2
3. PH3
4. HBr
SiH4
M
gH2
PH3
HBr
0%
0%0%0%

5. Which of the following compounds
would you expect to be essentially
covalent?
1. SiH4
2. MgH2
3. PH3
4. HBr
SiH4
M
gH2
PH3
HBr
0%
0%0%0%

6. Which of the following compounds
would you expect to be the
strongest acid?
1. SiH4
2. MgH2
3. PH3
4. HBr
SiH4
M
gH2
PH3
HBr
0%
0%0%0%

7. Which of the following species do you
expect to be a liquid at the highest
temperature?
1. Hydrogen
fluoride
2. Carbon
monoxide
3. Krypton
4. Nitrogen
5. Hydrogen
Hydrogen
fluoride
Carbon
m
onoxide
Krypton
Nitrogen
Hydrogen
0%
0% 0%0%0%

8. Which of the following pairs of
molecules will show the strongest
intermolecular interaction?
1. CH4 and
CH3OH
2. CH4 and
CH3C(O)CH3
3. CH4 and CHF3
4. CHF3 and
CH3C(O)CH3
CH4and
CH3OH
CH4and
CH3C(O)CH3
CH4and
CHF3
CHF3
and
CH3C(O)CH3
0%
0%0%0%