1. Among the following compounds couples who both have a hydrogen bond is
...
a. H2 and HF c. H2S and HF
e. HF and HI
b. H2O and HCl d. HI and HCl
2. Attractive forces antaratom contained in neon gas is ...
a. Force of attraction between the dipole moment
b. The van der Walls
c. Force of attraction antardipol permanent
d. Ties kovalenpolar
e. Hydrogen bonds
3. Compounds dipole moment is equal to zero ...
a. HCl c. CH4
e. PCl3
b. NH3 d. H2O
4. The order of the boiling point of hydrogen halide compounds that
decrease is ...
a. HI, HCl, HBr, HF d. HBr, HF, HI, HCl
b. HCl, HF, HBr, HI e. HI, HBr, HCl, HF
c. HF, HI, HBr, HCl
5. Among the following pairs of compounds which both have only dispersion
forces (London forces) are ...
a. CH4 and
O2
d. CH3COOH and C4H10
b. NH3 and
H2S
e. C2H5OH and CH3-O-CH3
c. H2O and HCl
6. Iodine can be either solid, but it is easy to sublimate, is due to very
weak intermolecular bonds. Bonding that occurs between iodine molecules called
bond ...
a. Ion
c. Hydrogen e. Oxygen
b. Covalent
d. van der Walls
7. Following this, a boiling point data hydride compounds:
HI HF
HCl HBr
HCN
-35oC +9.4 oC -67oC -84oC
-26oC
Among the compounds in the data tersebutyang have the strongest hydrogen
bonds are ....
a. HCN
c. HF
e. HCl
b. HI
d. HBr
8. Known compounds:
1. H2O (l) 3. CH4 (g)
5. NH3 (l)
2. HCN (g) 4. HF (l)
Group of compounds that have hydrogen bonds are ...
a. 1, 2,
3
c. 1, 4, 5 e. 3, 4,
5
b. 1, 3,
4
d. 2, 3, 5
9. Known price electronegativity elements H = 2.1; C = 2.5, N = 3.0; O =
3.5; Cl = 3.0.
Pair are polar covalent compounds ...
a. H2 and O2 c. NH3 and
HCl e. Cl2 and CCl4
b. H2 and N2 d. CCl4 and H2O
10. Alkane compound has the
highest boiling point is ...
a. ethane c. Propane
e. 2-methyl butane
b. methane
d. n-butane
11. The boiling point of ethanol is greater than when the mass molekunya
dimetileter same. That is because the ...
a. on ethanol are covalent bonds and London forces
b. ethanol mixed with water, while ether can not be mixed with water
c. Intermolecular dimethyl ether are covalent bonds and London forces
d. intermolecular hydrogen bonding of ethanol contained
e. dimethyl ether has no oxygen atom in the molecule
12. Given the data:
Liquid saturated vapor pressure (25 ° C)
A
15 mmHg
B
24 mmHg
C
50 mmHg
D
158 mmHg
E
573 mmHg
Liquids have intermolecular attractive force is the smallest ...
Liquids have intermolecular attractive force is the smallest ...
a. A c. C e.
E
b. B d. D
13. Couples who berantaraksi through hydrogen bonding is ...
a. H2O and HCl d. H2O and
CH2 (OH) CH2 (OH)
b. CH4 and H2O e. NH3 and
CH3CH2CH2CH3
c. HF and HI
14. Intermolecular diatomic intermolecular bonding can occur because of the
style of London. Appropriate factors that affect the strength of London forces,
which one has a van der Walls bonding the strongest?
a. H2 and
N2
c. H2 and
Cl2
e. Cl2 and O2
b. N2 and
Cl2
d. N2 and O2
15. Among the following hexane isomers are expected to have the highest boiling
point is ...
a. (CH3)
3CCH2CH3
d. CH3 (CH2) 4CH3
b. (CH3)
2CCH2CH3
e. (CH3) 2CHCH (CH3) 2
c. C2H5 (CH3) CCH2CH3
II. Essay
1. a. What is the style of London?
b. Mention two things determine
if the strength of the London!
2. Why mlekul relative mass and hydrogen bonds affect the boiling point of
a compound?
3. Are there hydrogen bonds between the following compounds? If there is a
draw!
a. H2O and H2
b. CH4 and CH4
c. H2O and NH3
