πŸ“Š Pharmaceutical Organic Chemistry 1
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (B) Ethylene dibromide
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (A) Distillation of petroleum to get different fractions
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (B) It can be catalytically hydrogenated
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (A) 20% normal heptane + 80% iso-octane
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. Which of the following has highest octane number…………
  • (A) n-hexane
  • (B) n-heptane
  • (C) n-pentane
  • (D) 2, 2, 4-trimethyl pentane
πŸ’¬ Discuss
βœ… Correct Answer: (D) 2, 2, 4-trimethyl pentane