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