πŸ“Š Pharmaceutical Organic Chemistry 1
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (A) Pyrolysis of higher carbon number hydrocarbons
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (D) All of these
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. Which one gives only one monosubstitution product on chlorination………..
  • (A) n-pentane
  • (B) (b) Neopentane
  • (C) (c) Isopentane
  • (D) (d) n-butane
πŸ’¬ Discuss
βœ… Correct Answer: (B) (b) Neopentane
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. Which of the following will have least hindered rotation about carbon-carbon bond…………
  • (A) Ethane
  • (B) Ethylene
  • (C) Acetylene
  • (D) Hexachloroethane
πŸ’¬ Discuss
βœ… Correct Answer: (A) Ethane
πŸ“Š Pharmaceutical Organic Chemistry 1
Q. 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
πŸ’¬ Discuss
βœ… Correct Answer: (D) Gasoline, kerosene oil, diesel