Organic Chemistry

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Q. Which of the following polymers is used in the production of plastic bottles?
  • A. Polyethylene terephthalate (PET)
  • B. Polystyrene
  • C. Polyvinyl chloride (PVC)
  • D. Polypropylene
Q. Which of the following polymers is used in the production of synthetic rubber?
  • A. Polyvinyl chloride
  • B. Polystyrene
  • C. Polyisoprene
  • D. Polyethylene
Q. Which of the following processes is used to produce synthetic rubber?
  • A. Polymerization
  • B. Condensation
  • C. Hydrogenation
  • D. Saponification
Q. Which of the following properties is NOT typical of elastomers?
  • A. High elasticity
  • B. Low tensile strength
  • C. Good resilience
  • D. Brittleness
Q. Which of the following reactions can alkynes undergo?
  • A. Electrophilic addition
  • B. Nucleophilic substitution
  • C. Free radical substitution
  • D. All of the above
Q. Which of the following reactions can be used to convert an alkene into an alcohol?
  • A. Hydrogenation
  • B. Hydroboration-oxidation
  • C. Dehydrohalogenation
  • D. Electrophilic addition
Q. Which of the following reactions can be used to convert an alkyne to a cis-alkene?
  • A. Hydrogenation
  • B. Halogenation
  • C. Hydroboration
  • D. Ozonolysis
Q. Which of the following reactions can be used to convert an alkyne to an alkene?
  • A. Hydrogenation
  • B. Halogenation
  • C. Hydrohalogenation
  • D. Dehydrohalogenation
Q. Which of the following reactions can be used to prepare alkynes?
  • A. Hydrogenation of alkenes
  • B. Dehydrohalogenation of alkyl halides
  • C. Oxidation of alkanes
  • D. Hydrolysis of alkynes
Q. Which of the following reactions can be used to prepare carboxylic acids?
  • A. Hydrolysis of esters
  • B. Reduction of ketones
  • C. Oxidation of alcohols
  • D. All of the above
Q. Which of the following reactions is characteristic of alkanes?
  • A. Electrophilic substitution
  • B. Nucleophilic substitution
  • C. Free radical substitution
  • D. Addition reaction
Q. Which of the following reactions is characteristic of alkenes?
  • A. Electrophilic addition
  • B. Nucleophilic substitution
  • C. Free radical substitution
  • D. Elimination
Q. Which of the following reactions is characteristic of aromatic compounds?
  • A. Addition reaction
  • B. Substitution reaction
  • C. Elimination reaction
  • D. Redox reaction
Q. Which of the following reactions is not typical for alkenes?
  • A. Addition of H2
  • B. Addition of HCl
  • C. Elimination of H2O
  • D. Substitution reaction
Q. Which of the following statements about alcohols is true?
  • A. They are always soluble in water.
  • B. They have higher boiling points than alkanes.
  • C. They cannot form hydrogen bonds.
  • D. They are less dense than water.
Q. Which of the following statements about alkanes is true?
  • A. They are highly reactive.
  • B. They are saturated hydrocarbons.
  • C. They contain double bonds.
  • D. They are polar molecules.
Q. Which of the following statements about alkenes is true?
  • A. They are saturated hydrocarbons.
  • B. They can undergo polymerization.
  • C. They do not react with electrophiles.
  • D. They have a higher boiling point than alkanes.
Q. Which of the following statements about alkynes is incorrect?
  • A. They are unsaturated hydrocarbons.
  • B. They contain at least one triple bond.
  • C. They are more reactive than alkenes.
  • D. They have a higher boiling point than alkenes.
Q. Which of the following statements about alkynes is true?
  • A. They are less acidic than alkenes.
  • B. They can undergo polymerization.
  • C. They have a higher boiling point than alkenes.
  • D. They are more stable than alkenes.
Q. Which of the following statements about amines is incorrect?
  • A. Amines are basic in nature.
  • B. Amines can form salts with acids.
  • C. Amines have higher boiling points than alcohols.
  • D. Amines can act as nucleophiles.
Q. Which of the following statements about aromatic amines is true?
  • A. They are more basic than aliphatic amines
  • B. They are less basic than aliphatic amines
  • C. They do not react with acids
  • D. They are neutral compounds
Q. Which of the following statements about aromatic compounds is true?
  • A. They are always colorless
  • B. They have a sweet smell
  • C. They are non-toxic
  • D. They can be carcinogenic
Q. Which of the following statements about carboxylic acids is true?
  • A. They are always soluble in water
  • B. They have higher boiling points than alcohols
  • C. They can form hydrogen bonds
  • D. All of the above
Q. Which of the following statements about ethers is true?
  • A. Ethers are more polar than alcohols
  • B. Ethers have higher boiling points than alcohols
  • C. Ethers are less reactive than alcohols
  • D. Ethers can form hydrogen bonds with water
Q. Which of the following statements about haloalkanes is true?
  • A. They are polar compounds
  • B. They are non-polar compounds
  • C. They do not react with nucleophiles
  • D. They are always solids
Q. Which of the following statements about inductive effect is correct?
  • A. It is a permanent effect
  • B. It is a temporary effect
  • C. It only affects alkenes
  • D. It increases basicity
Q. Which of the following statements about isomerism is FALSE?
  • A. Isomers have the same molecular formula.
  • B. Isomers have different physical properties.
  • C. Isomers have different chemical properties.
  • D. Isomers cannot exist in the same physical state.
Q. Which of the following statements about isomerism is true?
  • A. Isomers have the same molecular formula
  • B. Isomers have different molecular formulas
  • C. Isomers have the same physical properties
  • D. Isomers cannot exist in the same compound
Q. Which of the following statements about isomers is true?
  • A. Isomers have different molecular formulas
  • B. Isomers have the same connectivity of atoms
  • C. Isomers have different physical and chemical properties
  • D. Isomers cannot exist in the same compound
Q. Which of the following statements about mesomeric effect is true?
  • A. It involves only sigma bonds.
  • B. It is a permanent effect.
  • C. It is weaker than the inductive effect.
  • D. It does not involve resonance structures.
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