Alkane - Quiz
A) 0.0002% B) 0.2% C) 0.002% D) 0.02%
A) Methanogenic microorganisms B) Photosynthetic plants C) Fungal spores D) Aerobic bacteria
A) Atmospheric clouds B) Surface of leaves C) Gut of ruminants D) Deep ocean crust
A) Natural gas and oil B) Solar and wind C) Peat and biomass D) Coal and wood
A) Heptane and octane B) Methane and ethane C) Nonane and decane D) Pentane and hexane
A) A mixture of liquid alkanes and other hydrocarbons B) A pure source of methane C) A solid mineral deposit D) An aqueous solution of alkanes
A) Volcanic B) Oxygen-rich C) Anoxic D) Glacial
A) High temperatures and high pressure B) Low temperature and high acidity C) High salinity and low pressure D) Direct sunlight and low pressure
A) Surface vegetation B) Porous limestone C) Impermeable cap rocks D) Volcanic vents
A) They cannot be readily replaced B) They are too expensive to drill C) They react with ocean water D) They are toxic to the environment
A) Complete B) Moderate C) Low D) High
A) Methane clathrate B) Methane acid C) Methane gas D) Methane hydrate salt
A) It is significantly less B) It exceeds the combined total C) It is roughly equal D) It is exactly half
A) Nitrogen B) Oxygen C) Water D) Carbon dioxide
A) Yes, extensively B) Only in the Arctic C) No D) Yes, on a small scale
A) Methane radicals B) Methanol C) Carbon dioxide D) Formaldehyde
A) Cytochrome P450 B) Methane monooxygenases C) Lipases D) Dehydrogenases
A) Missing protons B) Positive charge C) Negative charge D) Unpaired electrons
A) Haloalkanes B) Alcohols C) Carboxylic acids D) Sulfonyl chlorides
A) Fluorine B) Bromine C) Chlorine D) Iodine
A) Homolysis B) Heterolysis C) Condensation D) Ionization
A) Heat or light B) Mechanical pressure C) Sound waves D) Chemical catalyst
A) Dehydration B) Radical recombination C) Hydrogen abstraction D) Nucleophilic attack
A) Radicals recombine B) Hydrogen is replaced C) Halogens are ionized D) Radicals split
A) Sulfonyl chlorides B) Haloalkanes C) Alcohols D) Alkyl radicals
A) High pressure B) Light C) Vacuum D) Biological catalysts
A) Sulfonyl complexes B) Transition metal complexes C) Enzyme complexes D) Halogen complexes
A) 2 B) 6 C) 4 D) 8
A) sp3 B) sp2 C) sp D) d2sp3
A) 120° B) 90° C) 180° D) 109.47°
A) 1.09 × 10−10 m B) 2.09 × 10−10 m C) 1.54 × 10−10 m D) 0.54 × 10−10 m
A) 1.80 × 10−10 m B) 1.09 × 10−10 m C) 1.54 × 10−10 m D) 1.25 × 10−10 m
A) linear B) eclipsed C) perpendicular D) staggered
A) 3.0 kJ/mol B) 20.5 kJ/mol C) 10.0 kJ/mol D) 12.6 kJ/mol
A) steric hindrance B) bond saturation C) electronic repulsion D) torsional strain
A) 700–750 cm−1 B) 2850–2960 cm−1 C) 1450–1465 cm−1 D) 800–1300 cm−1
A) 2900 cm−1 B) 1375 cm−1 C) 1450 cm−1 D) 725 cm−1
A) Larger molecules have lower melting points B) Molecule size has no effect on melting point C) Melting point is independent of molecular size D) Larger molecules have higher melting points
A) Lower melting point B) Increased chemical reactivity C) Reduced molecular weight D) Higher melting point
A) Methane B) Octane C) Hexane D) Neopentane
A) Paraffins B) Olefins C) Isoparaffins D) Naphthenes
A) Isoparaffins B) Isomers C) Paraffins D) Naphthenes
A) Paraffins B) Isoparaffins C) Homologs D) Naphthenes
A) Isopentane B) Isobutane C) Cetane D) Neopentane
A) Isoparaffin B) Cetane C) Cerane D) Naphthene
A) Colorless B) Clear blue C) Yellow D) White
A) Liquids B) Gases C) Dense crystals D) Waxy solids
A) Ionic bonds B) Hydrogen bonding C) Covalent bonds D) Van der Waals forces
A) Gases B) Plasma C) Liquids D) Solids
A) 5–10 °C B) 20–30 °C C) 40–50 °C D) 10–15 °C
A) Solid B) Supercritical fluid C) Gaseous D) Liquid
A) neo- B) cyclo- C) iso- D) di-
A) four B) two C) three D) five
A) -yl B) -ene C) -ine D) -ol
A) cyclo- B) neo- C) di- D) iso-
A) Alphabetical order B) By priority rules C) By number of carbons D) By size of the chain
A) cyclo- B) iso- C) neo- D) di-
A) C5H10 B) C4H8 C) C5H12 D) C6H12
A) 3 B) 6 C) 4 D) 5
A) Alphabetical order B) IUPAC naming conventions C) The number of side chains D) Cahn–Ingold–Prelog priority rules
A) -yne B) -one C) -ene D) -ane
A) IUPAC B) August Wilhelm von Hofmann C) Friedrich Wöhler D) Dmitri Mendeleev
A) CH4 B) C2H6 C) C3H8 D) C4H10
A) non-linear B) neutral C) normal D) natural
A) nonanes B) n-ketones C) n-alkenes D) n-paraffins
A) 7 B) 8 C) 5 D) 6
A) ethane B) propane C) pentane D) butane
A) The name of the corresponding alcohol B) Latin numerical prefix C) Greek numerical prefix D) The name of the corresponding acid
A) nonane B) hexane C) pentane D) octane
A) alkane B) alkyne C) ketone D) alkene
A) 18 B) 12 C) 14 D) 16
A) The alphabetical order of elements B) The boiling point of the compound C) Identifying hydrocarbon chains D) The source from which it was isolated
A) methanolic acid B) ethanoic acid C) propionic acid D) butyric acid
A) 1 B) 4 C) 3 D) 2
A) 7 B) 5 C) 9 D) 18
A) linear alkanes B) n-isomers C) cycloalkanes D) isobutanes
A) 2,2-dimethylbutane B) 3-methylhexane C) n-butane D) neopentane
A) linear B) cyclic C) branched D) unbranched
A) C4H6 B) C4H12 C) C4H8 D) C4H10
A) Olefin B) Alkene C) Acetylene D) Paraffin
A) 16.04 u B) 14.03 u C) 1.01 u D) 12.01 u
A) Ar B) X C) Alk D) R
A) CnHn B) CnH2n-2 C) CnH2n D) CnH2n+2
A) Aromatic rings only B) At least one triple bond C) All single bonds D) At least one double bond
A) Protective waxes B) Photosynthetic catalysts C) Structural sugars D) Energy storage proteins
A) Hydrophilicity B) Polarity C) Ionization D) Lipophilicity
A) They sink to the bottom. B) The upper layer. C) The lower layer. D) They dissolve completely.
A) Lacking affinity B) Strong acid C) Highly reactive D) Metal-like
A) Condensation mechanism B) Ionic recombination C) Homolytic mechanism D) Heterolytic mechanism
A) Metallic oxides B) Solid acids C) Noble gases D) Liquid bases
A) Platinum B) Nickel C) Silica-alumina D) Zeolites
A) Lower the octane number B) Reduce the boiling point C) Raise the octane number D) Eliminate the octane number
A) Ethane B) Butane C) Propane D) Methane
A) Alumina B) Platinum C) Nickel D) Silica
A) Saturn B) Neptune C) Jupiter D) Uranus
A) Europa B) Titan C) Io D) Ganymede
A) Curiosity rover B) Cassini mission C) Huygens probe D) Voyager probe
A) Hyakutake B) Halley C) Encke D) Hale-Bopp
A) Deep-sea volcanic vents B) Meteorites C) The Moon's core D) The Sun
A) Neutral ion B) Alkyne C) Carbocation D) Free radical |
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