McqMate
Chapters
| 1. |
Which represents an alkane……… |
| A. | C5H8 |
| B. | C6H8 |
| C. | C9H10 |
| D. | C7H16 |
| Answer» D. C7H16 | |
| 2. |
The decreasing order of boiling points is ………. |
| A. | n-Pentane > iso-Pentane > neo-Pentane |
| B. | iso-Pentane > n-Pentane > neo-Pentane |
| C. | neo-Pentane > iso-Pentane > n-Pentane |
| D. | n-Pentane > neo-Pentane > iso-Pentane |
| Answer» A. n-Pentane > iso-Pentane > neo-Pentane | |
| 3. |
To prepare a pure sample of n-hexane using sodium metal as one reactant, the other reactant will be……… |
| A. | n-propyl bromide |
| B. | Ethyl bromide and n-butyl bromide |
| C. | Ethyl chloride and n-butyl chloride |
| D. | Methyl bromide and n -pentyl chloride |
| Answer» A. n-propyl bromide | |
| 4. |
In the preparation of Grignard reagent from haloalkane, the metal |
| A. | Mg |
| B. | Zn |
| C. | Li |
| D. | K |
| Answer» A. Mg | |
| 5. |
Sodium acetate can be converted to ethane by………. |
| A. | Heating with LiAlH4 |
| B. | Electrolysing its aqueous solution |
| C. | Heating with sodalime |
| D. | Heating with calcium acetate |
| Answer» B. Electrolysing its aqueous solution | |
| 6. |
Which of the following compounds is used in antiknock compositions to prevent the deposition of oxides of lead on spark plug, combustion chamber and exhaust pipe……. |
| A. | Glycerol |
| B. | Glycol |
| C. | 1, 2-dibromoethane |
| D. | Benzene |
| Answer» C. 1, 2-dibromoethane | |
| 7. |
Which of petroleum corresponds to kerosene oil……… |
| A. | C15-C18 |
| B. | C10 – C12 |
| C. | C5 - C9 |
| D. | C1 –C9 |
| Answer» B. C10 – C12 | |
| 8. |
In the reaction CH3- Br+ 2Na+ Br-CH3 , the product called …….. |
| A. | Wurtz reaction |
| B. | Aldol condensation |
| C. | Perkin’s reaction |
| D. | Levit reaction |
| Answer» A. Wurtz reaction | |
| 9. |
Iodoethane reacts with sodium in the presence of dry ether. The product is…….. |
| A. | Pentane |
| B. | Propane |
| C. | Butene |
| D. | Butane |
| Answer» D. Butane | |
| 10. |
Which of the following is oxidised by KMnO4 |
| A. | Methane |
| B. | Pentane |
| C. | Isobutane |
| D. | Neopentane |
| Answer» C. Isobutane | |
| 11. |
The most volatile compound is………. |
| A. | 2, 2-dimethyl propane |
| B. | 2-methyl butane |
| C. | Isobutane |
| D. | n-pentane |
| Answer» A. 2, 2-dimethyl propane | |
| 12. |
In Wurtz reaction, the reagent used is……….. |
| A. | Na |
| B. | liquid NH3Na |
| C. | ether dry Na |
| D. | alcohol dry Na |
| Answer» C. ether dry Na | |
| 13. |
Which of the following has highest octane number………… |
| A. | n-hexane |
| B. | n-heptane |
| C. | n-pentane |
| D. | 2, 2, 4-trimethyl pentane |
| Answer» D. 2, 2, 4-trimethyl pentane | |
| 14. |
What is freon-12……. |
| A. | Pesticide |
| B. | Refrigerant |
| C. | Solvent |
| D. | Lubricant |
| Answer» B. Refrigerant | |
| 15. |
The petrol having octane number 80 has………… |
| A. | 20% normal heptane + 80% iso-octane |
| B. | 80% normal heptane + 20% iso-octane |
| C. | 20% normal heptane + 80% normal octane |
| D. | 80% normal heptane + 20% normal octane |
| Answer» A. 20% normal heptane + 80% iso-octane | |
| 16. |
The shape of methane molecule is……….. |
| A. | Linear |
| B. | Trigonal planar |
| C. | Square planar |
| D. | Tetrahedral |
| Answer» D. Tetrahedral | |
| 17. |
. Which of the following shows only one brominated compound………… |
| A. | Butene-2 |
| B. | 2, 2-dimethylpropane |
| C. | Butyne-1 |
| D. | Butanol-3 |
| Answer» B. 2, 2-dimethylpropane | |
| 18. |
Kerosene is used as fuel because it is…………. |
| A. | Less volatile |
| B. | More volatile |
| C. | Cheap |
| D. | Abundantly available |
| Answer» B. More volatile | |
| 19. |
Which of the following statements is not true for ethane…………. |
| A. | It can be chlorinated with chlorine |
| B. | It can be catalytically hydrogenated |
| C. | When oxidised produces CO2 and H2O |
| D. | It is a homologue of iso-butane |
| Answer» B. It can be catalytically hydrogenated | |
| 20. |
Petroleum refining is …………… |
| A. | Distillation of petroleum to get different fractions |
| B. | Obtaining aromatic compounds from aliphatic compounds present in petroleum |
| C. | Cracking of petroleum to get gaseous hydrocarbons |
| D. | Purification of petroleum |
| Answer» A. Distillation of petroleum to get different fractions | |
| 21. |
The chemical added to leaded petrol to prevent the deposition of lead in the combustion chamber is…… |
| A. | Iso-octane |
| B. | Ethylene dibromide |
| C. | Tetraethyl lead |
| D. | Mercaptan |
| Answer» B. Ethylene dibromide | |
| 22. |
In the commercial gasolines, the type of hydrocarbons which are more desirable is……….. |
| A. | Branched hydrocarbon |
| B. | Straight-chain hydrocarbon |
| C. | Linear unsaturated hydrocarbon |
| D. | Toluene |
| Answer» A. Branched hydrocarbon | |
| 23. |
Which of the following is not formed by the reaction of Cl2 on CH4 in sunlight………. |
| A. | CHCl3 |
| B. | CH3Cl |
| C. | CH3CH3 |
| D. | CH3CH2CH3 |
| Answer» D. CH3CH2CH3 | |
| 24. |
Which of the following has the highest boiling point……….. |
| A. | Neopentane |
| B. | n-butane |
| C. | n-heptane |
| D. | Isobutane |
| Answer» C. n-heptane | |
| 25. |
Which gives CH4 when treated with water…….. |
| A. | Silicon carbide |
| B. | Calcium carbide |
| C. | Aluminium carbide |
| D. | Iron carbide |
| Answer» C. Aluminium carbide | |
| 26. |
Which of the following does not react with PCl5 |
| A. | CH3OH |
| B. | CH3COOH |
| C. | CH3CHO |
| D. | C2H6 |
| Answer» D. C2H6 | |
| 27. |
Which of the following compounds is insoluble even in hot concentrated H2SO4……… |
| A. | Ethylene |
| B. | Benzene |
| C. | Hexane |
| D. | Aniline |
| Answer» C. Hexane | |
| 28. |
A reaction between methyl magnesium bromide and ethyl alcohol gives………. |
| A. | Methane |
| B. | Ethane |
| C. | Propane |
| D. | Butane |
| Answer» A. Methane | |
| 29. |
Methane and ethane both can be obtained in single step from ………… |
| A. | CH3 I |
| B. | C2H5I |
| C. | CH3OH |
| D. | C2H5OH |
| Answer» A. CH3 I | |
| 30. |
Paraffin wax is……….. |
| A. | Ester |
| B. | Alcohol |
| C. | Unsaturated hydrocarbon |
| D. | Saturated Hydrocrabon |
| Answer» D. Saturated Hydrocrabon | |
| 31. |
The number of possible enantiomeric pairs that can be produced during monochlorination of 2- methylbutane is …….. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 1 |
| Answer» A. 2 | |
| 32. |
Petroleum consists mainly of………… |
| A. | Aliphatic hydrocarbons |
| B. | Aromatic hydrocarbons |
| C. | Aliphatic alcohols |
| D. | None of these |
| Answer» A. Aliphatic hydrocarbons | |
| 33. |
Petroleum ether can be used as………. |
| A. | Solvent for fat, oil, varnish and rubber |
| B. | As a fuel |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» A. Solvent for fat, oil, varnish and rubber | |
| 34. |
Which of the following are produced from coaltar……….. |
| A. | Synthetic dyes |
| B. | Drugs |
| C. | Perfumes |
| D. | All the three |
| Answer» D. All the three | |
| 35. |
In alkanes, the bond angle is…….. |
| A. | 109.5 o |
| B. | 109 o |
| C. | 120 o |
| D. | 180 o |
| Answer» A. 109.5 o | |
| 36. |
In the preparation of alkanes; a concentrated aqueous solution of sodium or potassium salts of saturated carboxylic acid are subjected to……… |
| A. | Hydrolysis |
| B. | Oxidation |
| C. | Hydrogenation |
| D. | Electrolysis |
| Answer» D. Electrolysis | |
| 37. |
Halogenation of alkanes is an example of……….. |
| A. | Electrophilic substitution |
| B. | Nucleophilic substitution |
| C. | Free-radical substitution |
| D. | Oxidation |
| Answer» C. Free-radical substitution | |
| 38. |
Propionic acid is subjected to reduction with hydroiodic acid in the presence of a little P, the product formed is………… |
| A. | Ethane |
| B. | Propane |
| C. | Butane |
| D. | None of these |
| Answer» B. Propane | |
| 39. |
When ethyl iodide and propyl iodide react with Na in the presence of ether, they form……… |
| A. | One alkane |
| B. | Two alkanes |
| C. | Four alkanes |
| D. | Three alkanes |
| Answer» D. Three alkanes | |
| 40. |
The alkane that yields two isomeric monobromo derivatives is…………… |
| A. | Neopentane |
| B. | Ethane |
| C. | Methane |
| D. | Propane |
| Answer» D. Propane | |
| 41. |
Kerosene is a mixture of…………. |
| A. | Alkanes |
| B. | Aromatic compounds |
| C. | Alcohols |
| D. | Aliphatic acids |
| Answer» B. Aromatic compounds | |
| 42. |
When petroleum is heated the vapours contain mainly…………. |
| A. | Kerosene |
| B. | Petroleum ether |
| C. | Diesel |
| D. | Machine oil |
| Answer» D. Machine oil | |
| 43. |
Iso-octane is mixed to the petrol…………. |
| A. | To precipitate inorganic substances |
| B. | To prevent freezing of petrol |
| C. | To increase boiling point of petrol |
| D. | As an antiknock |
| Answer» D. As an antiknock | |
| 44. |
Cyclohexane, a hydrocarbon floats on water because………… |
| A. | It is immiscible with water |
| B. | Its density is low as compared to water |
| C. | It is non-polar substance |
| D. | It is immiscible and lighter than water |
| Answer» A. It is immiscible with water | |
| 45. |
Natural gas contains mainly…………. |
| A. | Methane |
| B. | n-butane |
| C. | n-octane |
| D. | Mixture of octane |
| Answer» D. Mixture of octane | |
| 46. |
Which compound is not inflammable……….. |
| A. | CCl4 |
| B. | C2H5OH |
| C. | CH4 |
| D. | C6H6 |
| Answer» A. CCl4 | |
| 47. |
Propane is obtained from propene, by which of the following methods………. |
| A. | Wurtz reaction |
| B. | Dehydrogenation |
| C. | Frankland reaction |
| D. | Catalytic hydrogenation |
| Answer» A. Wurtz reaction | |
| 48. |
LPG is a mixture of…………. |
| A. | C6H12+ C6H6 |
| B. | C4H10+ C3H8 |
| C. | C2H4 + C2H2 |
| D. | C2H4 + CH4 |
| Answer» B. C4H10+ C3H8 | |
| 49. |
Carbon black, which is used in making printer's ink, is obtained by decomposition of…………. |
| A. | Acetylene |
| B. | Benzene |
| C. | Carbon tetrachloride |
| D. | Methane |
| Answer» D. Methane | |
| 50. |
The addition of tetraethyl lead to petrol………… |
| A. | Lowers its octane number |
| B. | Raises its octane number |
| C. | May raise or lower the octane number |
| D. | Has no effect on octane number |
| Answer» B. Raises its octane number | |
| 51. |
Which of the following compound has maximum boiling point…….. |
| A. | n-hexane |
| B. | n-pentane |
| C. | 2, 2-dimethyl propane |
| D. | 2-methyl butane |
| Answer» A. n-hexane | |
| 52. |
Knocking sound occurs in engine when fuel………. |
| A. | Ignites slowly |
| B. | Ignites rapidly |
| C. | Contains water |
| D. | Is mixed with machine oil |
| Answer» B. Ignites rapidly | |
| 53. |
Petroleum is mainly a mixture of……….. |
| A. | Alkanes |
| B. | Cyclohexane |
| C. | Benzenoid hydrocarbons |
| D. | Alkenes |
| Answer» A. Alkanes | |
| 54. |
Which of the following has maximum boiling point…………… |
| A. | iso-octane |
| B. | n-octane |
| C. | 2, 2, 3, 3-tetramethyl butane |
| D. | n-butane |
| Answer» B. n-octane | |
| 55. |
Aqueous solution of the following compound on electrolysis gives ethane………. |
| A. | Acetic acid |
| B. | Acetamide |
| C. | Potassium acetate |
| D. | Ethyl acetate |
| Answer» C. Potassium acetate | |
| 56. |
Which of the following does not decolourise bromine solution in carbon disulphide……….. |
| A. | Acetylene |
| B. | Propene |
| C. | Ethane |
| D. | Propyne |
| Answer» C. Ethane | |
| 57. |
Anhydrous sodium acetate on heating with sodalime gives…………. |
| A. | Acetic acid |
| B. | Methane |
| C. | Calcium acetate |
| D. | Ethane |
| Answer» B. Methane | |
| 58. |
Water gas is……….. |
| A. | CO + CO2 |
| B. | CO + N2 |
| C. | CO + H2 |
| D. | CO + N2 + H2 |
| Answer» C. CO + H2 | |
| 59. |
A sample of gasoline contains 81% iso-octane and 19% nheptane. Its octane number will be…….. |
| A. | 19 |
| B. | 81 |
| C. | 100 |
| D. | 62 |
| Answer» B. 81 | |
| 60. |
The natural petroleum contains…………. |
| A. | Saturated hydrocarbons |
| B. | Cyclic saturated hydrocarbons |
| C. | Compounds of sulphur |
| D. | All of these |
| Answer» D. All of these | |
| 61. |
The preparation of ethane by electrolysis of aqueous solution of potassium acetate is called as……. |
| A. | Wurtz reaction |
| B. | Sabatier-Senderen's reaction |
| C. | Kolbe's synthesis |
| D. | Grignard reaction |
| Answer» C. Kolbe's synthesis | |
| 62. |
As the number of carbon atoms in a chain increases the boiling point of alkanes………. |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | May increase or decrease |
| Answer» A. Increases | |
| 63. |
In the fractional distillation of crude petroleum……….. |
| A. | Petrol condenses at the bottom of the column |
| B. | The gases condense at the top of the column |
| C. | High boiling constituents condense at the bottom of the column |
| D. | High boiling constituents condense at the top of the column |
| Answer» C. High boiling constituents condense at the bottom of the column | |
| 64. |
Which of the following is not an endothermic reaction………… |
| A. | Dehydrogenation |
| B. | Ethane to ethene |
| C. | Combustion of propane |
| D. | Change of chlorine molecule into chlorine atoms |
| Answer» C. Combustion of propane | |
| 65. |
Gasoline is the name of …………… |
| A. | Crude oil |
| B. | The gaseous constituents of petroleum |
| C. | The mixture of uncondensed gases produced in the distillation of crude oil |
| D. | The mixture of the residue and gas oil obtained in the distillation of crude oil |
| Answer» B. The gaseous constituents of petroleum | |
| 66. |
In the process of cracking…………… |
| A. | Organic compounds decompose into their constituent elements |
| B. | Hydrocarbons decompose into carbon and hydrogen |
| C. | High molecular weight organic compounds decompose to give low molecular weight organic compounds |
| D. | Hydrocarbons yield alkyl radicals and hydrogen |
| Answer» C. High molecular weight organic compounds decompose to give low molecular weight organic compounds | |
| 67. |
Octane number has 0 value for………. |
| A. | iso-octane |
| B. | n-hexane |
| C. | n-heptane |
| D. | iso-heptane |
| Answer» C. n-heptane | |
| 68. |
Dry distillation of sodium propanoate with sodalime gives ………….. |
| A. | Propane |
| B. | Propene |
| C. | Ethane |
| D. | Ethene |
| Answer» C. Ethane | |
| 69. |
A mixture of propene and methane is obtained by the cracking of………….. |
| A. | 1-butene |
| B. | 2-butene |
| C. | n-butane |
| D. | Isobutane |
| Answer» C. n-butane | |
| 70. |
Which of the following fractions of petroleum refining contains kerosene ? (Boiling ranges in o C are given below) |
| A. | 40 – 80 |
| B. | 80 - 200 |
| C. | 200 - 300 |
| D. | Above 300 |
| Answer» C. 200 - 300 | |
| 71. |
On mixing tetraethyl lead to gasoline available at petrol pumps………….. |
| A. | Calorific value of the fuel increases |
| B. | Odour diminishes |
| C. | Less smoke is obtained on combustion |
| D. | Antiknock property of fuel increases |
| Answer» D. Antiknock property of fuel increases | |
| 72. |
A liquid hydrocarbon can be converted to gaseous hydrocarbon by………….. |
| A. | Cracking |
| B. | Hydrolysis |
| C. | Oxidation |
| D. | Distillation under reduced pressure |
| Answer» A. Cracking | |
| 73. |
The tetrahedral nature of carbon was first given by…………. |
| A. | Kekule |
| B. | Le Bell and Van't Hoff |
| C. | Pauling |
| D. | Armstrong and Bayer |
| Answer» B. Le Bell and Van't Hoff | |
| 74. |
Formation of alkane by the action of Zn on alkyl halide is called |
| A. | Frankland's reaction |
| B. | Wurtz reaction |
| C. | Cannizzaro reaction |
| D. | Kolbe's reaction |
| Answer» A. Frankland's reaction | |
| 75. |
Name the hydrocarbon that is a liquid at STP………. |
| A. | Ethane |
| B. | Propane |
| C. | n-butane |
| D. | n-pentane |
| Answer» D. n-pentane | |
| 76. |
Which statement is not true concerning alkanes……….. |
| A. | Large number alkanes are soluble in water |
| B. | All alkanes have a lower density than water |
| C. | At room temperature some alkanes are liquids, some solids and some gases |
| D. | All alkanes burn |
| Answer» A. Large number alkanes are soluble in water | |
| 77. |
Fischer Tropsch process is used for the manufacture of………… |
| A. | Synthetic petrol |
| B. | Thermosetting plastics |
| C. | Ethanol |
| D. | Benzene |
| Answer» A. Synthetic petrol | |
| 78. |
A fuel contains 25 % n-heptane and 75 % iso-octane. Its octane number is…………… |
| A. | 50 |
| B. | 75 |
| C. | 100 |
| D. | 25 |
| Answer» B. 75 | |
| 79. |
Sodium ethoxide is a specific reagent for…………… |
| A. | Dehydration |
| B. | Dehydrogenation |
| C. | Dehydrohalogenation |
| D. | Dehalogenation |
| Answer» C. Dehydrohalogenation | |
| 80. |
Which of the following has highest percentage of hydrogen……….. |
| A. | CH4 |
| B. | C2H4 |
| C. | C6H6 |
| D. | C2H2 |
| Answer» A. CH4 | |
| 81. |
What is the molecular formula of the alkane, the 5.6 litre of which weight 11 g at STP………. |
| A. | C6 H14 |
| B. | C4H10 |
| C. | C3H8 |
| D. | C2H6 |
| Answer» C. C3H8 | |
| 82. |
The order of appearance of the following with rising temperature during the refining of crude oil is…..…...... |
| A. | Kerosene oil, gasoline, diesel |
| B. | Diesel, gasoline, kerosene oil |
| C. | Gasoline, diesel, kerosene oil |
| D. | Gasoline, kerosene oil, diesel |
| Answer» D. Gasoline, kerosene oil, diesel | |
| 83. |
When sodium propionate is heated with soda lime, the main product is………….. |
| A. | Ethane |
| B. | Methane |
| C. | Propane |
| D. | Butane |
| Answer» A. Ethane | |
| 84. |
Gasoline is a mixture of alkanes with the number of carbon atoms ……………. |
| A. | C3 + C5 |
| B. | C5 + C6 |
| C. | C6 + C8 |
| D. | C7 + C9 |
| Answer» D. C7 + C9 | |
| 85. |
The final product of complete oxidation of hydrocarbons is ……….. |
| A. | Acid |
| B. | Aldehyde |
| C. | H2O + CO2 |
| D. | Dihydric alcohol |
| Answer» C. H2O + CO2 | |
| 86. |
Which of the following will have least hindered rotation about carbon-carbon bond………… |
| A. | Ethane |
| B. | Ethylene |
| C. | Acetylene |
| D. | Hexachloroethane |
| Answer» A. Ethane | |
| 87. |
How many types of carbon atoms are present in 2, 2, 3trimethylpentane……….. |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 88. |
Which one gives only one monosubstitution product on chlorination……….. |
| A. | n-pentane |
| B. | (b) Neopentane |
| C. | (c) Isopentane |
| D. | (d) n-butane |
| Answer» B. (b) Neopentane | |
| 89. |
CH4 is formed when…………. |
| A. | Sodium acetate is heated with sodalime |
| B. | Iodomethane is reduced |
| C. | Aluminium carbide reacts with water |
| D. | All of these |
| Answer» D. All of these | |
| 90. |
Which one of the following compounds does not give addition reactions……………… |
| A. | Aldehydes |
| B. | Alkanes |
| C. | Alkenes |
| D. | Alkynes |
| Answer» B. Alkanes | |
| 91. |
The most important method of preparation of hydrocarbons of lower carbon number is…………. |
| A. | Pyrolysis of higher carbon number hydrocarbons |
| B. | Electrolysis of salts of fatty acids |
| C. | Sabatier and Senderen's reaction |
| D. | Direct synthesis |
| Answer» A. Pyrolysis of higher carbon number hydrocarbons | |
| 92. |
The inorganic origin of petroleum is indicated by the fact that………….. |
| A. | Its constituents can be separated by fractional distillation |
| B. | Carbon and hydrocarbon can combine by absorption of solar energy to give hydrocarbons |
| C. | Petroleum contains traces of chlorophyll |
| D. | Oil fields are located with the help of seismograph |
| Answer» B. Carbon and hydrocarbon can combine by absorption of solar energy to give hydrocarbons | |
| 93. |
By Wurtz reaction, a mixture of methyliodide and ethyliodide gives…………. |
| A. | Butane |
| B. | Ethane |
| C. | Propane |
| D. | A mixture of the above three |
| Answer» D. A mixture of the above three | |
| 94. |
Product obtained by nitration of propane is ……………. |
| A. | Nitropropane |
| B. | Nitromethane |
| C. | Nitroethane |
| D. | All of these |
| Answer» D. All of these | |
| 95. |
Isomerism in saturated hydrocarbons is due to………….. |
| A. | Change in the valence of carbon |
| B. | Change in the ratio of elements in compounds |
| C. | Formation of branches in the chain of C atoms |
| D. | Formation of double bond |
| Answer» C. Formation of branches in the chain of C atoms | |
| 96. |
Which of the following is not linked with methane…………. |
| A. | Marsh gas |
| B. | Natural gas |
| C. | Producer gas |
| D. | Coal gas |
| Answer» C. Producer gas | |
| 97. |
Which of the following has highest octane number………….. |
| A. | n-hexane |
| B. | n-heptane |
| C. | Iso-octane |
| D. | n-heptane and iso-octane mixed in ratio 50 : 50 |
| Answer» C. Iso-octane | |
| 98. |
A mixture of ethyl iodide and n-propyl iodide is subjected to Wurtz reaction. The hydrocarbon that will not be formed is………….. |
| A. | n-butane |
| B. | n-propane |
| C. | n-pentane |
| D. | n-hexan |
| Answer» B. n-propane | |
| 99. |
Most of the hydrocarbons from petroleum are obtained by……………. |
| A. | Fractional distillation |
| B. | Fractional crystallization |
| C. | Vaporization |
| D. | Polymerization |
| Answer» A. Fractional distillation | |
| 100. |
Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound …………… |
| A. | Lead tetrachloride |
| B. | Lead acetate |
| C. | Zinc ethyl |
| D. | Tetraethyl lead (TEL) |
| Answer» D. Tetraethyl lead (TEL) | |
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