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a. alkanes, alkenes,
alkynes
b. alkanes, alkenes,
alicyclic
c. aliphatic and
alicyclic
d. alkanes, aromatic
and cycloalkane
e. alkanes, aromatic and
cycloalkene
2.
Compounds which mostly found in petroleum are….
a. cycloalkane and aromatic
b. alkanes and
heterocyclic
c. alkanes and aromatic
d. heterocyclic and
cycloalkane
e. alkanes and
cycloalkane
(a) both halide atoms in axial positions.
(b) both halide atoms in equatorial
positions.
(c) the bromine atom in an axial
position and the chlorine atom in an equatorial position.
4. What is the IUPAC name for the following compound?
(a) 1,3-pentamethylpropane (b) 1,1,3,3-tetramethylbutane
(c) 2,4,4-trimethylpentane (d) 2,2,4-trimethylpentane
5. The most stable conformational isomer of cis-1-bromo-2-chlorocyclohexane will have...
(a) both halide atoms in axial positions.
(b) both halide atoms in equatorial positions.
(c) the bromine atom in an axial position and the chlorine atom in an equatorial position.
(d) the bromine atom in an equatorial position and the chlorine atom in an axial position.
6. The kind for the geometry isomer of the following compound is...
7. What is the major product expected from the following reaction?
8. What is the best name for the following compound?
(b) Z-3-(1-methylethyl)-2-hexene
(c) cis-3-isopropy-2-hexene
(d) trans-3-(1-methylethyl)-2-hexene
9. Which is 1,2-dimethylcyclohexane?
10. Which is 4-methylpent-2-ene?
a b c d
11. What is the IUPAC name for the following compound?
(a) 4-vinyl-2-pentyne (b) 4-methylhex-2-yn-5-ene (c) 3-methylhex-4-yn-1-ene (d) 3-methylhex-1-en-4-yne
12. What is the difference between a saturated and unsaturated hydrocarbon?
a. unsaturated hydrocarbons have more hydrogens per carbon
b. unsaturated hydrocarbons have fewer hydrogens per carbo
c. saturated hydrocarbons contain double or triple covalent bonds
d. unsaturated
hydrocarbons contain
14.
Conversion of solid residue into gas fraction of petroleum is called …
a. distillation d.alkylation
b. cracking e. cooking
c. reforming
15. Alkanes which used as LPG are …
a. ethane and methane
b. heptanes and octane
c. propane and butane
d. ethane and butane
e. pentane and heptanes
16.
Gasoline with octane number of 70 consists of …
a. 70% octane and 30%
n-heptane
b. 70% octane and 30%
n-hexane
c. 70% isooctane and
30% n-hexane
d. 70% isooctane and
30% n-heptane
e. 70% heptane and 30%
n-octane
17.
Premium gasoline has octane numbe of 80, means the gasoline consists of …
a. 80% heptane and 20%
n-butane
b. 80% isooctane and
20% n-butane
c. 80% butane and 20%
isooctane
d. 80% heptane and 20%
isooctane
e. 80% isooctane and
20% n-heptane
18. Octane number is used to express …
a. oil viscosity
b. Vehicles with octane
fuel
c.
Gasoine quality as afuel for high voltage machine.
d.
number of octane in gasoline
e.
Quality of fuel
19. Which compound is additive in gasoline
a. 2,3,4-trimethyl
pentane
b. Methyl tertiary
butyl ether
c. Dimethyl ketone
d. Ethyl methyl ether
e. 2,3-dimethylbutane
20.
Among these compounds, compound serves as a component of gasoline is :
a. n-butane
b. 2,2-dimethyl octane
c. 2,2-dimethyl propane
d.
2,2,4-trimehylpentane
e. 2,3-dimethyldecane
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